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    The causes of the First World War — AQA GCSE History

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    The causes of the First World War explained

    This section examines the complex causes of the First World War, focusing on the alliance system, Anglo-German rivalry, and the immediate events leading to the outbreak of war in 1914.

    What to demonstrate

    1. The Alliance System: Triple Alliance, Franco-Russian Alliance, and Entente powers.
    2. Crises in Morocco (1905 and 1911) and the Balkans (1908–1909) and their impact on international relations.
    3. Anglo-German rivalry: Britain's move away from Splendid Isolation.
    Show all 8 objectives
    1. Kaiser Wilhelm II's foreign policy aims, specifically Weltpolitik.
    2. Colonial tensions and European rearmament, including the Anglo-German naval race.
    3. Slav nationalism and the relationship between Serbia and Austria-Hungary.
    4. The assassination of Archduke Franz Ferdinand in Sarajevo and its immediate consequences.
    5. The July Crisis, the Schlieffen Plan, and the role of Belgium in the escalation of conflict.

    The causes of the First World War exam tips

    Topic Overview

    The causes of the First World War are a central topic in AQA GCSE History, exploring the complex web of alliances, imperialism, nationalism, and militarism that led to the outbreak of war in 1914. This topic is crucial because it helps students understand how a single event—the assassination of Archduke Franz Ferdinand—could trigger a global conflict due to long-term tensions. The war shaped the 20th century, influencing everything from the Treaty of Versailles to the rise of fascism, making it essential for understanding modern history.

    Students will examine the MAIN causes: Militarism (the arms race and glorification of war), Alliances (the Triple Entente and Triple Alliance), Imperialism (competition for colonies), and Nationalism (especially in the Balkans). They will also analyse the immediate cause—the assassination in Sarajevo—and the July Crisis, where diplomatic failures turned a local crisis into a world war. This topic fits into the wider AQA syllabus on conflict and tension, linking to the interwar years and World War II.

    By mastering this topic, students develop skills in evaluating causation, interpreting sources, and constructing balanced arguments. They learn that history is rarely about single causes but about how multiple factors combine. This understanding is vital for exam success, as questions often ask students to explain the relative importance of different causes or to assess whether the war was inevitable.

    Key Concepts
    • →Militarism: The belief that a country should maintain a strong military and be ready to use it aggressively. This led to an arms race, especially between Britain and Germany over naval power, and the Schlieffen Plan, which assumed a two-front war.
    • →Alliances: The Triple Entente (Britain, France, Russia) and the Triple Alliance (Germany, Austria-Hungary, Italy) created a system where a conflict between two powers could drag in others. The alliance system turned a local war into a world war.
    • →Imperialism: Competition for colonies, especially in Africa and the Balkans, created rivalries. The Moroccan Crises (1905 and 1911) heightened tensions between France and Germany, while Austria-Hungary and Russia clashed over influence in the Balkans.
    • →Nationalism: Extreme patriotism and the desire for self-determination. In the Balkans, Slavic nationalism threatened Austria-Hungary, and the assassination of Franz Ferdinand by a Bosnian Serb nationalist was the spark that ignited the war.
    • →The July Crisis: The diplomatic breakdown after the assassination, where ultimatums, mobilisations, and miscalculations led to war. Key events include Austria-Hungary's ultimatum to Serbia, Germany's 'blank cheque', and the failure of the Schlieffen Plan.
    Marking Points
    • The Alliance System: Triple Alliance, Franco-Russian Alliance, and Entente powers.
    • Crises in Morocco (1905 and 1911) and the Balkans (1908–1909) and their impact on international relations.
    • Anglo-German rivalry: Britain's move away from Splendid Isolation.
    • Kaiser Wilhelm II's foreign policy aims, specifically Weltpolitik.
    • Colonial tensions and European rearmament, including the Anglo-German naval race.
    • Slav nationalism and the relationship between Serbia and Austria-Hungary.
    • The assassination of Archduke Franz Ferdinand in Sarajevo and its immediate consequences.
    • The July Crisis, the Schlieffen Plan, and the role of Belgium in the escalation of conflict.
    Examiner Tips
    • 💡Ensure you can explain how specific crises (e.g., Morocco or the Balkans) directly impacted international relations rather than just describing the events.
    • 💡Be prepared to link the Schlieffen Plan to the escalation of the conflict.
    • 💡Focus on the interplay between the Great Powers and the specific roles of key individuals like Kaiser Wilhelm II.
    • 💡Tip 1: Use the acronym MAIN (Militarism, Alliances, Imperialism, Nationalism) to structure your answers, but always explain how each factor contributed. For example, don't just say 'militarism caused war'—explain that the arms race created tension and the Schlieffen Plan made a quick, aggressive response likely.
    • 💡Tip 2: When answering 'how far do you agree' questions, consider both sides. For instance, if asked whether the alliance system was the main cause, discuss its role but also acknowledge the importance of nationalism or the assassination. A balanced argument with specific evidence scores higher marks.
    • 💡Tip 3: Use source analysis skills. If a source blames Germany, evaluate its provenance (e.g., a British wartime poster) and consider other perspectives. This shows critical thinking, which is rewarded in higher-level answers.
    Common Mistakes
    • Misconception: The assassination of Franz Ferdinand directly caused the war. Correction: It was the trigger, not the underlying cause. The war resulted from long-term tensions like alliances, militarism, and nationalism. Without these, the assassination might have led to a localised conflict.
    • Misconception: Germany was solely responsible for the war. Correction: While Germany's 'blank cheque' and Schlieffen Plan escalated the crisis, other powers also made aggressive moves. Austria-Hungary declared war on Serbia, Russia mobilised, and France supported Russia. The Treaty of Versailles placed blame on Germany, but historians debate the distribution of responsibility.
    • Misconception: The alliance system made war inevitable. Correction: Alliances increased the risk but did not guarantee war. For example, in the Balkan Wars (1912-13), alliances did not trigger a general war. The July Crisis was unique because of the speed of mobilisation and the lack of diplomatic flexibility.
    Frequently Asked Questions
    What were the main causes of WW1?
    The main causes are often summarised as MAIN: Militarism (the arms race and glorification of war), Alliances (the Triple Entente and Triple Alliance), Imperialism (competition for colonies), and Nationalism (especially in the Balkans). The immediate cause was the assassination of Archduke Franz Ferdinand in June 1914, which triggered the July Crisis and led to declarations of war.
    How did the alliance system cause WW1?
    The alliance system meant that a conflict between two countries could quickly involve others. For example, when Austria-Hungary declared war on Serbia, Russia mobilised to support Serbia, Germany declared war on Russia, and France was drawn in due to its alliance with Russia. Britain then joined because Germany invaded Belgium. The alliances turned a local crisis into a world war.
    Was Germany to blame for WW1?
    Historians debate this. Germany's 'blank cheque' to Austria-Hungary and its Schlieffen Plan (which involved invading neutral Belgium) escalated the crisis. However, other powers also made aggressive moves: Austria-Hungary declared war on Serbia, Russia mobilised early, and France encouraged Russia. The Treaty of Versailles placed sole blame on Germany, but many historians argue responsibility was shared.
    What was the Schlieffen Plan?
    The Schlieffen Plan was Germany's military strategy to avoid a two-front war by quickly defeating France through a surprise attack via neutral Belgium, then turning to fight Russia. It assumed Russia would take weeks to mobilise. However, the plan failed because Belgium resisted, Britain entered the war, and Russia mobilised faster than expected, leading to a stalemate on the Western Front.
    Why did Britain join WW1?
    Britain joined the war primarily because Germany invaded neutral Belgium, violating the Treaty of London (1839) that guaranteed Belgian neutrality. Britain also had an alliance with France (the Entente Cordiale) and was concerned about German domination of Europe. Public opinion and strategic interests, such as preventing Germany from controlling Channel ports, also played a role.
    What was the July Crisis?
    The July Crisis was the diplomatic breakdown between the assassination of Archduke Franz Ferdinand on 28 June 1914 and the outbreak of war in early August. Key events include Austria-Hungary's ultimatum to Serbia (backed by Germany's 'blank cheque'), Serbia's partial acceptance, Austria-Hungary's declaration of war, Russian mobilisation, and Germany's declarations of war on Russia and France. The crisis showed how miscalculations and rigid military plans led to war.