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    2K International Relations and Global Conflict, c1890–1941 (A-level only) – Attempts at maintaining the peace, 1923–1935 — AQA A-Level History

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    This topic examines international diplomacy between 1923 and 1935, evaluating the fragile 'Spirit of Locarno', disarmament efforts, and economic stabilization alongside structural weaknesses that doomed collective security. AQA A-Level students must analyse how early diplomatic breakthroughs were ultimately derailed by the Great Depression and aggressive revisionism.

    2K International Relations and Global Conflict, c1890–1941 (A-level only) – Attempts at maintaining the peace, 1923–1935 explained

    2K International Relations and Global Conflict, c1890–1941 (A-level only) – Attempts at maintaining the peace, 1923–1935 covers 4 specification points, including Consolidation of the post-war settlement;… and The failures of the Lausanne and London….

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    Open a point below for its explanation and revision guidance.

    The ‘Spirit of Locarno’: consolidation of the post-war settlement; attempts at disarmament and conciliation in international relations, including the Dawes Plan, the Geneva Protocol and the Kellogg-Briand Pact

    The 'Spirit of Locarno' defines the optimistic era of European diplomacy from 1925 to 1929, aiming to consolidate the post-war settlement through conciliation. The 1924 Dawes Plan eased German reparations, stabilising the economy with US loans and ending the Ruhr crisis. The 1924 Geneva Protocol attempted to strengthen the League of Nations by making arbitration compulsory, though its failure highlighted ongoing security fears. The 1925 Locarno Treaties secured western borders, fostering goodwill. This culminated in the 1928 Kellogg-Briand Pact, an ambitious but unenforceable attempt at disarmament where 65 nations renounced war as an instrument of national policy, masking underlying international tensions.

    The Depression and its impact on international relations: the failures of the Lausanne and London Conferences on international debts and reparations

    The Great Depression destabilised international relations, replacing the cooperative 'Spirit of Locarno' with economic nationalism. As global trade collapsed, the system of US loans, German reparations, and Allied war debts broke down. The 1932 Lausanne Conference attempted to address this by effectively cancelling German reparations, but failed to resolve the wider issue of Allied debts to the USA, which Congress refused to forgive. The 1933 London World Economic Conference then sought international agreement on currency stabilisation and trade revival. Its failure, triggered by US President Roosevelt's refusal to stabilise the dollar, marked the end of collective economic diplomacy and accelerated the global drift towards autarky and conflict.

    Changing balance of power: the ambitions of Italy, Japan and Germany

    Between 1923 and 1935, the global balance of power shifted dramatically as Italy, Japan, and Germany pursued aggressive expansionist ambitions, undermining the post-war settlement. Italy, under Mussolini, sought to recreate a Roman Empire in the Mediterranean and Africa, aiming for 'spazio vitale' and prestige. Japan, driven by militarism and economic necessity following the Great Depression, aimed to dominate East Asia, seeking raw materials and living space, culminating in the invasion of Manchuria. Germany, following Hitler's rise to power in 1933, focused on overturning the Treaty of Versailles, rearming, and securing 'Lebensraum' in Eastern Europe. Together, these revisionist ambitions fractured the fragile international order and exposed the weaknesses of democratic powers.

    The collapse of collective security: the reasons for and consequences of the failure of League of Nations in the Manchurian and Abyssinian Crises

    The collapse of collective security was starkly demonstrated by the League of Nations' failure to resolve the Manchurian (1931) and Abyssinian (1935) Crises. Reasons for failure included the absence of major powers like the USA, the slow bureaucratic processes of the League (such as the Lytton Report), and the self-interest of Britain and France, who prioritised their own empires and the Stresa Front over collective action. The consequences were catastrophic: the League was exposed as powerless against aggressive expansionism, economic sanctions were proven ineffective (as seen with the Hoare-Laval Pact), and revisionist powers were emboldened. Ultimately, these failures destroyed the credibility of the League and paved the way for further aggression.

    Your focus

    1. Explain the terms and economic impact of the 1924 Dawes Plan.
    2. Analyse the reasons for the failure of the Geneva Protocol and its implications for the League of Nations.
    3. Evaluate the extent to which the Kellogg-Briand Pact and the 'Spirit of Locarno' consolidated the post-war settlement.
    Show all 12 objectives
    1. Explain how the Great Depression impacted international relations and the system of global debt.
    2. Analyse the aims and reasons for the failure of the 1932 Lausanne Conference regarding reparations.
    3. Evaluate the significance of the 1933 London Conference's failure in promoting economic nationalism.
    4. Compare the specific territorial and ideological ambitions of Italy, Japan, and Germany.
    5. Explain how the Great Depression influenced the foreign policies of these three nations.
    6. Evaluate the impact of these combined ambitions on the global balance of power by 1935.
    7. Identify the specific reasons why the League of Nations failed to halt aggression in Manchuria and Abyssinia.
    8. Analyse the role of British and French foreign policy in undermining collective security during these crises.
    9. Evaluate the consequences of these failures on the international order and the emboldening of revisionist powers.

    2K International Relations and Global Conflict, c1890–1941 (A-level only) – Attempts at maintaining the peace, 1923–1935 exam tips

    Topic Overview

    The period between 1923 and 1935 encapsulates the arc from post-Ruhr stabilization to the collapse of collective security. Propelled by the pragmatism of Gustav Stresemann, Aristide Briand, and Austen Chamberlain, the mid-1920s witnessed landmark diplomatic breakthroughs including the Dawes Plan, the Locarno Treaties, and Germany's accession to the League of Nations.

    However, this era of apparent détente masked profound structural weaknesses, including the exclusion of Eastern Europe from definitive border guarantees and total economic dependency on American capital. The onset of the Great Depression in 1929 dismantled this fragile consensus, culminating in the rise of aggressive fascism, the paralysis of the World Disarmament Conference, and the ultimate descent toward unilateral rearmament by 1935.

    Key Concepts
    • →Fulfillment Policy (Erfüllungspolitik): Stresemann's strategy of complying with the Treaty of Versailles to prove its unfeasibility and win peaceful revisions from the Western Allies.
    • →The 'Spirit of Locarno': A diplomatic atmosphere of reconciliation following the 1925 treaties, though undermined by lack of military enforcement and open eastern frontiers.
    • →Economic Interdependence and Fragility: The triangular cycle of US loans, German reparations, and Allied war debt repayments to America that unraveled disastrously post-1929.
    • →Failure of Disarmament: The insurmountable conflict between French demands for prior security guarantees and German demands for parity (Gleichberechtigung).
    Marking Points
    • Assess the impact of the Dawes Plan (1924) on European economic stability and the easing of Franco-German tensions.
    • Evaluate the significance of the Locarno Treaties (1925) in consolidating the post-war settlement by guaranteeing Germany's western borders.
    • Analyse the failure of the Geneva Protocol (1924) as a missed opportunity for collective security and compulsory arbitration.
    • Critique the Kellogg-Briand Pact (1928) as a symbolic gesture of conciliation that lacked enforcement mechanisms for genuine disarmament.
    • Analyse how the Wall Street Crash and subsequent Depression destroyed the economic foundations of the Locarno era.
    • Evaluate the outcomes of the 1932 Lausanne Conference, specifically the suspension of reparations and the unresolved tension over Allied war debts to the USA.
    • Assess the reasons for the failure of the 1933 London World Economic Conference, focusing on Roosevelt's 'Bombshell Message'.
    • Explain how the failure of these conferences led to increased economic nationalism, protectionism, and the rise of aggressive autarkic regimes.
    • Identify Mussolini's desire for 'spazio vitale' and imperial expansion in Africa to boost domestic support and international prestige.
    • Explain Japan's economic motivations for expansion into Manchuria, driven by the need for raw materials and markets following the 1929 Wall Street Crash.
    • Analyse Hitler's foreign policy aims, specifically the dismantling of the Treaty of Versailles, rearmament, and the pursuit of 'Lebensraum'.
    • Evaluate how the combined revisionist ambitions of these three nations shifted the global balance of power away from the League of Nations' leading democracies.
    • Analyse the structural and membership weaknesses of the League that hindered decisive action in Manchuria, such as the absence of the USA and the requirement for unanimous decisions.
    • Explain how British and French self-interest, particularly the desire to maintain Italy as an ally against Germany, undermined the response to the Abyssinian Crisis.
    • Evaluate the failure of economic sanctions in Abyssinia, noting the exclusion of vital resources like oil and the continued use of the Suez Canal by Italian forces.
    • Assess the long-term consequences of these crises, specifically how they emboldened Hitler and Mussolini, leading to the Rome-Berlin Axis and the definitive collapse of collective security.
    Examiner Tips
    • 💡Use the phrase 'Spirit of Locarno' to evaluate whether the period represented genuine conciliation or merely a temporary illusion of peace funded by US loans.
    • 💡Link the Dawes Plan directly to the political success of Locarno, demonstrating how economic stability was a prerequisite for diplomatic progress.
    • 💡Contrast the idealistic aims of the Kellogg-Briand Pact with the practical failure to achieve binding disarmament agreements during this period.
    • 💡Use the failure of the London Conference to demonstrate the shift from international cooperation in the 1920s to isolationism in the 1930s.
    • 💡Link the economic collapse directly to political extremism, showing how the failure to resolve debts at Lausanne weakened moderate governments, particularly in Weimar Germany.
    • 💡When discussing the Depression's impact, explicitly mention the breakdown of the Dawes and Young Plans to show continuity and change in international relations.
    • 💡Use specific terminology like 'Lebensraum' for Germany and 'spazio vitale' for Italy to demonstrate precise historical knowledge.
    • 💡When evaluating the changing balance of power, contrast the growing military strength of these revisionist states with the reluctance of Britain and France to rearm.
    • 💡Link the domestic pressures within Italy, Japan, and Germany to their aggressive foreign policy decisions during this period.
    • 💡Use the Hoare-Laval Pact as a prime example of how the self-interest of major powers directly contradicted and undermined the principles of collective security.
    • 💡Compare the reasons for failure in both crises to build a strong analytical argument about the inherent flaws of the League of Nations.
    • 💡Explicitly link the failure in Abyssinia to the subsequent aggressive actions of Germany, such as the remilitarisation of the Rhineland.
    • 💡Always differentiate between Eastern and Western Europe when evaluating peace pacts; examiners look for candidates who recognise that Locarno stabilized the West while leaving the East exposed.
    • 💡Connect economic developments directly to diplomatic outcomes; for example, explain how the Wall Street Crash destroyed the financial scaffolding built by the Dawes and Young Plans, making political radicalisation inevitable.
    Common Mistakes
    • Confusing the Dawes Plan with the Young Plan; correct by noting the Dawes Plan (1924) provided immediate short-term relief and US loans, whereas the Young Plan (1929) restructured the total debt.
    • Assuming the Kellogg-Briand Pact achieved actual disarmament; correct by explaining it was a renunciation of war that lacked any military or economic sanctions to enforce peace.
    • Stating the Geneva Protocol was successfully implemented; correct by identifying that Britain rejected it, leading to its collapse and demonstrating the limits of League authority.
    • Claiming the Lausanne Conference successfully resolved all international debt; correct by noting it only suspended German reparations, while the USA still demanded repayment of Allied war debts.
    • Confusing the aims of the two conferences; correct by specifying that Lausanne (1932) dealt with reparations and war debts, whereas London (1933) focused on broader currency stabilisation and tariff reduction.
    • Underestimating the role of the USA in the failure of the London Conference; correct by explicitly linking the conference's collapse to Roosevelt's prioritisation of domestic recovery over international cooperation.
    • Treating the ambitions of the three powers as identical; correction: distinguish between Japan's immediate economic drivers, Germany's ideological and territorial aims, and Italy's focus on prestige and Mediterranean dominance.
    • Assuming Germany was the sole threat to peace before 1935; correction: acknowledge that Japan and Italy actively destabilised the international order earlier, such as in Manchuria in 1931.
    • Ignoring the impact of the Great Depression; correction: explicitly link the economic crisis of the 1930s to the rise of militarism and the acceleration of expansionist ambitions in all three nations.
    • Confusing the timelines and details of the two crises; correction: clearly separate the Manchurian Crisis (1931, Lytton Report, Japan) from the Abyssinian Crisis (1935, Hoare-Laval Pact, Italy).
    • Stating the League did absolutely nothing; correction: specify that the League did act through moral condemnation and limited sanctions, but these actions were fundamentally ineffective.
    • Blaming the failure solely on the League's structure; correction: balance structural weaknesses with the lack of political will from leading members, particularly Britain and France.
    • Assuming Stresemann was an ardent pacifist: Stresemann was a committed German nationalist whose moderate diplomacy was an expedient tool to revise Versailles, recover the Polish Corridor, and end foreign occupation without provoking a military confrontation Germany could not win.
    • Believing the League of Nations operated independently of major powers: The League possessed no standing military force and relied completely on the political will and armed forces of Britain and France, who repeatedly prioritized national and imperial interests over collective security.
    Revision Plan
    1. 1Week 1 (Days 1–3): Master the recovery mechanisms (Dawes Plan 1924, Locarno Treaties 1925, Germany entering League 1926) and assess Stresemann's revisionist aims.
    2. 2Week 1 (Days 4–7): Evaluate the late 1920s peace pacts (Kellogg-Briand 1928, Young Plan 1929) versus underlying structural economic vulnerabilities.
    3. 3Week 2 (Days 1–4): Analyse the impact of the Wall Street Crash (1929–1932) on collective security, the Manchurian Crisis, and the 1932–1934 Geneva Disarmament Conference.
    4. 4Week 2 (Days 5–7): Practice 25-mark essay planning comparing the relative importance of economic collapse versus fundamental flaws in 1920s diplomacy.
    Exam Question Types
    • 📋25-mark Evaluative Essays: Typically require evaluating the extent of success in maintaining peace (e.g., 'How far was the period 1924–1929 an era of genuine stability?').
    • 📋Comparative Analysis Questions: Weighing the relative importance of various factors (e.g., assessing whether the Great Depression or weaknesses in the League of Nations was the primary cause of diplomatic breakdown).
    Command Word Expectations (AQA)
    Assess

    Weigh up the strengths and limitations of a policy, event, or treaty, supporting arguments with precise historical evidence and concluding with a justified, balanced judgement.

    Explain why

    Identify multiple causal factors, establish clear links between them, and demonstrate analytical depth rather than providing a narrative of events.

    How Students Lose Marks (Examiner Pitfalls)
    Pitfall: Treating the 1925 Locarno Treaties as a comprehensive, permanent settlement of all European border disputes rather than a selective Western European compromise.
    ❌ Weak Answer (Loses Marks):The Locarno Pact brought total peace to Europe because Germany, France, and Britain agreed on all borders and promised never to fight again, which made the League of Nations successful.
    Example improved answer:While the 1925 Locarno Treaties established stability in Western Europe by guaranteeing the Franco-German and Belgo-German frontiers under British and Italian arbitration, they critically omitted an equivalent eastern guarantee. Stresemann deliberately refused to recognise Germany's borders with Poland and Czechoslovakia as permanent, securing arbitration treaties instead. This asymmetry left Eastern Europe vulnerable, signaling that Britain would not commit military force to protect the Polish Corridor, thereby fostering an illusion of collective security rather than enduring geopolitical stability.
    Examiner Tip: Distinguish between Locarno's western guarantees (Rhineland Pact) and eastern arbitration treaties to demonstrate the nuanced limitations of 1920s diplomacy.
    Pitfall: Viewing the Kellogg-Briand Pact (1928) as an effective legal instrument rather than a toothless declaration of moral intent.
    ❌ Weak Answer (Loses Marks):The Kellogg-Briand Pact made war completely illegal across the world because over 60 countries signed it and agreed to settle all arguments peacefully.
    Example improved answer:Although signed by 62 nations, the 1928 Pact of Paris (Kellogg-Briand Pact) lacked enforcement mechanisms, sanctions, or precise definitions of 'self-defence'. Signatories retained broad latitude to wage war under the pretext of vital national interests. Furthermore, it did nothing to dismantle existing armaments or rectify the structural economic volatility that underpinned revisionist ambitions, rendering it a high-water mark of utopian idealism rather than pragmatic collective security.
    Examiner Tip: Examine the absence of sanction protocols in 1920s pacts to contrast idealism with genuine geopolitical enforcement mechanisms.
    Step-by-Step Worked Solutions

    Question: Assess the significance of the 1924 Dawes Plan in stabilizing international relations up to 1929.

    1. 1.Step 1: Define the core purpose of the Dawes Plan in resolving the 1923 Ruhr Crisis and restructuring German reparations without fixing a total sum.
    2. 2.Step 2: Analyse positive impacts: end of French military occupation of the Ruhr, influx of US capital (over 800 million gold marks initially), and economic recovery facilitating Locarno (1925) and Germany joining the League of Nations (1926).
    3. 3.Step 3: Evaluate counterarguments and systemic weaknesses: reliance on short-term US loans creating dangerous structural fragility, German domestic resentment over foreign oversight of railways/revenues, and failure to resolve the fundamental reparations quantum (necessitating the 1929 Young Plan).
    4. 4.Step 4: Formulate an integrated judgement: The Dawes Plan was an indispensable short-term economic catalyst that created the diplomatic space for the 'Spirit of Locarno', but its failure to tackle structural vulnerabilities meant peace remained contingent on perpetual American liquidity.
    Final Answer: The Dawes Plan was highly significant in liquidating the immediate Franco-Belgian occupation crisis and initiating five years of diplomatic détente; however, its reliance on volatile foreign capital left European peace acutely susceptible to external financial shocks.

    Question: Explain why the World Disarmament Conference (1932–1934) ended in failure.

    1. 1.Step 1: Identify the central conflict between French demands for guaranteed collective security before disarming versus German demands for 'Gleichberechtigung' (equality of rights/status).
    2. 2.Step 2: Trace the impact of the Wall Street Crash (1929) and rising domestic nationalism, culminating in Hitler's appointment as Chancellor in January 1933.
    3. 3.Step 3: Detail the diplomatic collapse: Germany walked out in 1932, briefly returned under the MacDonald Plan, and definitively withdrew in October 1933 alongside leaving the League of Nations.
    4. 4.Step 4: Synthesize the contextual breakdown: the absence of British security guarantees to France, Italian revisionism, and Japanese aggression in Manchuria (1931) had already fatally undermined faith in disarmament mechanisms.
    Final Answer: The World Disarmament Conference collapsed because France refused to disarm without firm collective security guarantees, while Germany demanded armaments parity; this deadlock became irreconcilable with Hitler's revisionist agenda and the broader collapse of international trust following the Manchurian crisis.
    Active Recall Memory Test
    What were the core territorial provisions guaranteed by the 1925 Locarno Rhineland Pact?
    Key Fact: The inviolability of the Franco-German and Belgo-German borders, along with the continued demilitarization of the Rhineland, guaranteed by Britain and Italy.
    How did the 1929 Young Plan modify the reparations settlement established by the Dawes Plan?
    Key Fact: It reduced total reparations debt to 112 billion gold marks (around £2 billion) payable over 59 years and led to the early evacuation of Allied troops from the Rhineland by 1930.
    What demand by Germany led to its withdrawal from the World Disarmament Conference in October 1933?
    Key Fact: The demand for 'Gleichberechtigung' (equality of rights/status) to rearm up to the levels of other European powers if they refused to disarm to Germany's level.
    Frequently Asked Questions
    Why did Britain refuse to guarantee Germany's eastern borders at Locarno?
    Britain was reluctant to commit imperial military forces to defend contentious frontiers in Eastern Europe, such as the Polish Corridor and Upper Silesia. British public and political opinion viewed these borders as artificial creations of Versailles that might require peaceful territorial revision in the future. Austen Chamberlain prioritized securing the English Channel and the Low Countries, leaving Eastern European security dependent on bilateral French alliances.
    Was Gustav Stresemann genuinely committed to European peace?
    Stresemann was a pragmatist who used peaceful diplomacy (Erfüllungspolitik) as the most effective vehicle to advance German national interests. He recognized that post-Ruhr Germany could not challenge the Allies militarily, so he used negotiations to end foreign occupation, reduce reparations, and rebuild the German economy. While he favoured peaceful revision over war, his long-term goals still included regaining Danzig, the Polish Corridor, and revising Versailles.
    How did the Wall Street Crash destroy international efforts to maintain peace?
    The Wall Street Crash of October 1929 caused American financial institutions to abruptly recall short-term capital loans from Germany, triggering a catastrophic banking and industrial collapse. This led to mass unemployment, paving the way for political polarization and the rise of the Nazi Party. Internationally, nations abandoned multilateral cooperation in favor of protectionist economic policies, eroding the collaborative atmosphere that sustained the League of Nations.
    What was the significance of the 1935 Stresa Front?
    Formed in April 1935 by Britain, France, and Italy, the Stresa Front aimed to present a united opposition to Hitler's unilateral reintroduction of conscription and defiance of the Treaty of Versailles. However, it collapsed almost immediately due to Britain signing the Anglo-German Naval Agreement in June 1935 without consulting its allies, and Mussolini's subsequent invasion of Abyssinia in October 1935, which permanently alienated Italy from the Western democracies.