IBDP History HL Paper 3 -Europe and the Second World War (1918–1949) - Study Notes- New Syllabus

Successes and challenges of the League of Nations in Europe

📝 Introduction

• The League sought collective security, arbitration and international cooperation after 1919.
• Its Assembly and Council had diplomatic reach but lacked their own armed force; the USA never joined.
• Compare a successful small dispute with cases involving major-power interests.

🏛️ Structure and the 1920s

The Assembly included all members; a smaller Council handled urgent issues, while other bodies addressed labor and humanitarian work. Members could discuss disputes and consider sanctions, but implementation relied on government cooperation and often unanimity. In 1921 the League helped settle the Åland Islands dispute in Finland’s favor while protecting Swedish cultural rights.

Vilna showed the limits: after Polish seizure in 1920, the League could not reverse the outcome. When Italy bombarded and occupied Corfu in 1923, pressure from the Conference of Ambassadors rather than League enforcement helped resolve the affair on terms favorable to Mussolini.

🕊️ Disarmament and 1930s Crises

Collective security required states to accept risks for others. The 1932–1934 disarmament conference failed to reach a lasting agreement as security concerns and German demands diverged. Italy’s 1935 invasion of Abyssinia, though fought in Africa, damaged European diplomacy and the League’s credibility: sanctions were limited and leading powers prioritized their strategic relationships.

Explain the link between a crisis beyond Europe and the collapse of confidence in a European security framework. Great-power absence, conflicting aims and enforcement weakness interacted rather than operating as separate failures.

⚖️ Historical Assessment

The League’s procedures could settle limited disputes such as Åland, but its response weakened when a great power or a determined aggressor resisted. Disarmament and sanctions depended on collective political will. Success and failure should be tested by the size of the dispute, members’ interests and practical enforcement.

⚡ Quick Recap
✔ The League relied on member cooperation.
✔ Åland was a workable settlement.
✔ Vilna and Corfu exposed power limits.
✔ Abyssinia discredited sanctions and collective security.

Reasons for the Second World War in Europe

📝 Introduction

• Germany’s expansion and Italy’s aggressive policy challenged the interwar settlement.
• Appeasement was shaped by fear of another war and doubts about readiness, but it had consequences.
• War began in Europe after the German invasion of Poland in September 1939.

🗺️ Expansion and Appeasement

Mussolini’s invasion of Abyssinia and later partnership with Hitler weakened the existing order. Hitler rearmed, remilitarized the Rhineland in 1936 and annexed Austria in 1938. At Munich in September 1938 Chamberlain and other leaders accepted German control of the Sudetenland without Czechoslovakia’s equal participation. German occupation of Czech lands in March 1939 exposed the failure of claims that concessions had satisfied Hitler.

British and French leaders also faced public memories of 1914–1918, weak military preparation and uncertainty about Soviet partnership. These constraints help explain their choices without excusing coercive expansion.

🤝 Soviet Policy and Poland

The USSR sought security while distrusting Western policy; failed Anglo-French-Soviet negotiations contributed to the Nazi–Soviet Pact of August 1939. Its secret provisions divided spheres of influence in eastern Europe. Germany invaded Poland on 1 September 1939; Britain and France declared war two days later. The USSR invaded eastern Poland later that month.

Distinguish the immediate decision to attack Poland from the longer diplomatic and ideological causes. The pact removed a short-term German obstacle; it was not a permanent alliance of shared aims.

⚖️ Historical Assessment

Nazi expansion was central to the war’s outbreak; British, French, Soviet and Italian decisions affected when and how Germany could act. The Munich concession failed to contain Hitler, while the August pact cleared the way for attack on Poland. Avoid treating the Versailles settlement or appeasement as single sufficient causes.

⚡ Quick Recap
✔ German aggression drove escalation.
✔ Appeasement reflected constraints and misjudgment.
✔ Soviet security choices shaped the 1939 crisis.
✔ The invasion of Poland triggered British and French war declarations.

Reasons for Axis defeat and Allied victory (to 1945)

📝 Introduction

• The result depended on sustained cooperation across fronts and the balance of material resources.
• Strategic decisions and leadership affected how resources translated into battlefield success.
• Assess European campaigns without overlooking the global economy that supplied them.

🏭 Resources and Wartime Alliance

Britain remained in the war after the fall of France in 1940. German invasion of the USSR in 1941 opened a vast eastern front; US entry after Pearl Harbor made American industrial and military resources available within a formal alliance. Lend-Lease supplied Allied partners, while Soviet production and troops bore a tremendous burden in defeating German land armies. Disagreements persisted, but the UK, USA and USSR coordinated broad war aims and major campaigns.

The Axis possessed initial operational advantages, yet Germany faced extended supply lines, shortages of oil and growing difficulties replacing losses.

⚔️ Turning Points and Strategy

The Battle of Britain prevented a German invasion in 1940; the Soviet victory at Stalingrad in 1942–1943 and battles around Kursk in 1943 weakened German capacity in the east. Allied landings in Italy and Normandy in June 1944 increased pressure from the west. Bombing and blockade attacked German production and transport, although the human cost and military effect of particular bombing campaigns must be judged carefully.

Hitler’s decision to wage war against the USSR and declare war on the USA magnified Axis overstretch. Allied military learning, intelligence, air power and coordinated ground operations helped exploit that weakness.

⚖️ Historical Assessment

Allied victory grew from combined industrial capacity, Soviet battlefield sacrifice and effective operations on several fronts. German strategic overstretch and resource shortages made its initial victories unsustainable. A strong essay ranks factors by phase: survival in 1940, reversal in 1942–1943 and coordinated offensives in 1944–1945.

⚡ Quick Recap
✔ Axis armies faced expanding fronts and oil shortages.
✔ Soviet forces destroyed much German land strength.
✔ US production and British survival sustained the alliance.
✔ Allied offensives on several fronts ended the war.

Impact of the Second World War on one European country (to 1949)

📝 Introduction

• Germany is a focused case for measuring destruction, occupation and political change.
• Wartime experiences differed for perpetrators, victims, displaced people and survivors.
• The two German states created in 1949 reflected occupation and Cold War conflict.

🏚️ Loss, Displacement and Women

Cities, transport and housing were badly damaged; military casualties and civilian deaths left disrupted households. The arrival or expulsion of millions of ethnic Germans from eastern Europe intensified the housing and food crises. Women managed households, paid work and rebuilding amid scarcity, while also facing violence and the burdens of missing relatives. Black-market survival varied sharply by region and class.

Jewish survivors, Roma, forced laborers and other displaced people faced the consequences of persecution and difficulty recovering homes, families and property. Do not treat ‘the German experience’ as the experience of victims and perpetrators alike.

🏛️ Occupation and Reconstruction

The Allied occupation divided Germany into zones and pursued differing approaches to denazification and political reconstruction. The Nuremberg trials prosecuted leading Nazi officials, while wider accountability was uneven. Currency reform and aid strengthened western recovery; Soviet-zone authorities nationalized major sectors and changed landholding. The Berlin Blockade of 1948–1949 hardened division.

In 1949 the Federal Republic of Germany and German Democratic Republic were established. Recovery was incomplete and political choices were shaped by outside occupation as well as domestic actors.

⚖️ Historical Assessment

The war destroyed lives, infrastructure and political legitimacy, but postwar change varied across occupation zones. A good answer follows Germany to 1949 and differentiates women’s labor, displaced civilians and persecuted minorities. The formation of two states illustrates the lasting political impact without implying economic and social recovery was already complete.

⚡ Quick Recap
✔ Germany is the single-country example.
✔ War losses and displacement reshaped society.
✔ Women and persecuted groups faced distinct harms.
✔ Occupation culminated in two states in 1949.

Reasons for the persecution and mass murder of marginalized groups in Nazi-occupied Europe

📝 Introduction

• Nazi antisemitism, anti-Roma racism and the persecution of other targeted groups predated the war.
• Occupation and conquest created new opportunities and institutions for extreme violence.
• Explain ideology, military escalation, leadership and local collaboration without assigning equal blame to victims.

🧬 Ideology and Conquest

The Nazis claimed a racial hierarchy and depicted Jews as enemies of the nation, while targeting Roma and Sinti, disabled people, political opponents and others under distinct policies. Prewar exclusions and the 1938 pogrom laid groundwork; the occupation of Poland in 1939 brought millions more people under Nazi rule, ghettos and forced labor. Invasion of the USSR in June 1941 radicalized killing: Einsatzgruppen shot Jews and other victims behind the front lines, aided by German police and some local collaborators.

Military objectives alone cannot explain whom perpetrators selected; ideological categorization shaped policy at every stage.

🏛️ Direction, Coordination and Collaboration

Nazi leaders directed escalating exclusion, deportation and murder. At the Wannsee Conference in January 1942 officials coordinated the deportation and systematic murder of European Jews; mass shooting had already begun. Killing centers operated in occupied Poland, supported by administrative records, transport and property seizures.

Collaboration varied between governments, police and individual informers; refusal and rescue also occurred. Differentiating degrees of coercion and initiative is essential, but local participation materially increased the regime’s reach.

⚖️ Historical Assessment

Ideology identifies the targeted groups, while war and occupation explain the scale and speed of escalation. Leadership and bureaucratic coordination made violence systematic, and collaboration extended it locally. Wannsee coordinated a process already under way; it did not initiate anti-Jewish killing.

⚡ Quick Recap
✔ Nazi racial ideology shaped target selection.
✔ Conquest expanded control over victims.
✔ Einsatzgruppen conducted mass shootings after June 1941.
✔ Leadership, administration and collaborators enabled genocide.

Responses to the persecution and mass murder of marginalized groups (to 1949)

📝 Introduction

• Responses ranged from concealment and rescue to armed resistance, diplomatic statements and criminal trials.
• Opportunities to help depended on occupation, information and available resources.
• Measure responses by whom they protected and the risks faced.

🕯️ Individuals and Collective Action

Individuals forged papers, hid people and organized escape. In 1943 Danish networks ferried most Danish Jews to Sweden, aided by local solidarity and access to a neutral neighbor. The Warsaw Ghetto uprising in 1943 illustrates armed resistance under conditions of extreme inequality. Jewish and non-Jewish resistance movements had varied goals and opportunities; their actions cannot be judged solely by whether they stopped the genocide.

Resistance also meant maintaining records, religious or cultural life, sharing food and supporting others. Collaboration and indifference were present in occupied communities too.

🌍 International and Legal Responses

Allied governments publicly condemned Nazi killings in 1942, but rescue and admission of refugees were limited, and military defeat of Germany remained their main strategy. Information was incomplete in some places but widespread evidence existed during the war; avoid claiming outsiders knew nothing. Neutral states, churches and foreign diplomats responded unevenly.

The Nuremberg International Military Tribunal of 1945–1946 prosecuted leading Nazis for war crimes and crimes against humanity. Subsequent trials and the 1948 Genocide Convention advanced legal recognition, while many perpetrators escaped immediate prosecution and survivors struggled for restitution.

⚖️ Historical Assessment

Local rescue and resistance saved lives and upheld solidarity but faced overwhelming force. International condemnation was more extensive than direct refugee protection; the gap requires explanation rather than a blanket claim of silence. Postwar trials created legal precedents yet provided incomplete justice by 1949.

⚡ Quick Recap
✔ Resistance took individual and collective forms.
✔ Allied protection and refugee admissions were limited.
✔ Nuremberg prosecuted leading perpetrators.
✔ Legal progress by 1949 did not undo losses or secure full justice.