3.4.2

The Polish Crisis & the Outbreak of War

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Invasion of Poland, 1939

On the 1st September 1939 Poland was invaded by Germany.

Invasion of Poland

Invasion of Poland

  • Hitler invaded Poland with force after blowing up the port of Danzig and sending his army and air force into the country.
  • 2 days later, Britain issued an ultimatum to Germany:
    • Withdraw your troops or face a declaration of war.
Declaring war

Declaring war

  • The Germans were given a deadline to do this which was ignored.
  • Britain then declared war on Germany, followed by the same declaration from France.
Hitler

Hitler

  • Within 4 weeks, Hitler took all of Poland.
    • Breaking the Treaty of Versailles, the Nazi-Soviet Pact and ignoring the ultimatum from France and Great Britain.
The Second World War

The Second World War

  • Hitler thought the threat of war from France and Great Britain wouldn’t amount to anything and they would back down.
  • However, France and Great Britain didn’t back down the Second World War began.

Pact of Steel, 1939

In 1939 the Pact of Steel was signed.

1939

1939

  • In 1939 the Pact of Steel was signed.
Allies

Allies

  • This was a formal pact joining Germany and Italy as three allies in World War Two.
Jump to other topics
1

Was the Treaty of Versailles Fair?

1.1

What were the Motives and Aims at Versailles?

1.1.1The Treaty of Versailles1.1.2Roles of Wilson, Clemenceau & George
1.2

Did the Victors Get Everything They Wanted?

1.2.1The Terms: Territory1.2.2The Terms: Reparations1.2.3The Terms: Armaments1.2.4The Terms: War Guilt1.2.5The League of Nations1.2.6French Reaction1.2.7American Reaction1.2.8British Reaction1.2.9Countries Left Out of the Treaty of Versailles
1.3

What was the Impact on Germany up to 1923?

1.3.1German Reaction to the Treaty1.3.2Germany’s Allies1.3.3Economic Impacts: Ruhr & Hyperinflation1.3.4Social Impacts of the Treaty in Germany1.3.5Political Impacts of the Treaty on Germany1.3.6Reducing Reparation: The Dawes Plan
1.4

Could the Treaty be Justified at the Time?

1.4.1Positives & Negatives1.4.2Contemporary Opinions About the Treaty
2

Was the League of Nations a Success?

2.1

How did Weaknesses in the League Lead to Failure?

2.1.1The League of Nations2.1.2Structure of the League: Assembly & Council2.1.3Structure of the League: Special Commissions2.1.4Structure of the League: Permanent Court2.1.5Structure of the League: Secretariat2.1.6Financial Crisis in the World
2.2

The League’s Success in Peacekeeping

2.2.1Successes: International Borders2.2.2Successes: International Agreements2.2.3Failures: Vilna (1920)2.2.4Åland Islands 1920-212.2.5Failures: Corfu 19232.2.6Failures: Bulgaria 1925
2.3

How Important was the League's Humanitarian Work?

2.3.1Refugees, Health, Slavery, Working Conditions 12.3.2Refugees, Health, Slavery, Working Conditions 2
2.4

How did the Depression Impact the League?

2.4.1The Great Depression, 19292.4.2The Manchurian Crisis, 19312.4.3Invasion of Abyssinia, 1935
3

How did Hitler's Foreign Policy Impact the War?

3.1

What were the Long-Term Consequences of Versailles

3.1.1Long-Term Consequences of Versailles
3.2

What were the Consequences of the League's Failure

3.2.1The Disarmament Conference3.2.2Collapse of the League of Nations3.2.3Tension in Europe in the 1930s3.2.4WWII & Failure of the League of Nations3.2.5Weak Nations
3.3

Was the Policy of Appeasement Justified?

3.3.1The Spanish Civil War, 1936-393.3.2The Sudetenland3.3.3Arguments for Appeasement3.3.4Arguments Against Appeasement3.3.5Reasons & Acts of Appeasement3.3.6Impact of Appeasement
3.4

How Important was the Nazi-Soviet Pact?

3.4.1The Nazi-Soviet Pact3.4.2The Polish Crisis & the Outbreak of War
3.5

Why did Britain & France Declare War on Germany?

3.5.1The Guarantee for Poland and the War3.5.2Hitler’s Foreign Policy & Rearmament3.5.3Hitler's Plan3.5.4The Saar3.5.5Remilitarisation of the Rhineland3.5.6The Rome-Berlin Axis3.5.7Germany & Italy in the Spanish War3.5.8The Anti-Comintern Pact3.5.9Anschluss with Austria3.5.10The Munich Agreement3.5.11The Crisis over Czechoslovakia
4

Who was to Blame for the Cold War?

4.1

Why did the US-Soviet Alliance Break Down?

4.1.1Cold War - Definition4.1.2The Grand Alliance4.1.3The 1945 Summit Conferences4.1.4Early US-Soviet Relations4.1.5The Breakdown of the US-Soviet Alliance4.1.6Attitudes of Truman & Stalin4.1.7US & Soviet Attitudes to Peace
4.2

How did the USSR Gain Control of Eastern Europe?

4.2.1The USSR & Eastern Europe
4.3

How did the US React to Soviet Expansionism?

4.3.1The Beginning of the Cold War4.3.2The Truman Doctrine & Marshall Plan4.3.3East-West Boundaries4.3.4Berlin Crisis
4.4

What were the Consequences of the Berlin Blockade?

4.4.1Germany4.4.2Bizonia4.4.3Berlin Blockade4.4.4FRG & GDR4.4.5NATO4.4.6Warsaw Pact
4.5

Who was More to Blame for Starting the Cold War?

4.5.1The Responsibility for Cold War Tensions4.5.2Blame on the USRR4.5.3Blame on the US4.5.4Sharing the Blame
5

Did the US Contain the Spread of Communism?

5.1

The US and Korea, 1950-53

5.1.1The US and Korea: Background to the Crisis5.1.2The Korean War5.1.3The Course of the Korean War
5.2

The US and Cuba, 1959-62

5.2.1Build-Up to the Cuban Missile Crisis5.2.2The Cuban Missile Crisis5.2.3Consequence of the Cuban Missile Crisis
5.3

The US and Vietnam, 1955-75

5.3.1French Rule in Vietnam5.3.2President Eisenhower5.3.3President Kennedy5.3.4The Gulf of Tonkin Incident, 19645.3.5US Tactics5.3.6Vietcong Tactics5.3.7The Vietcong5.3.8The My Lai Massacre, 19685.3.9Vietnamisation5.3.10The Tet Offensive, 19685.3.11Attacks on Cambodia & Laos5.3.12The Bombing of North Vietnam5.3.13The Failure of Vietnamisation5.3.14The Growth of Opposition5.3.15The Draft System5.3.16The Kent State University Shootings, 19705.3.17Political Opposition5.3.18Reasons for Support 15.3.19Reasons for Support 25.3.20Political Support5.3.21Peace Negotiations5.3.22The Paris Peace Accords, 19735.3.23Economic & Human Costs 15.3.24Economic & Human Costs 25.3.25The Strengths of North Vietnam 15.3.26The Strengths of North Vietnam 25.3.27The Weaknesses of the US 15.3.28The Weaknesses of the US 25.3.29Opposition in the US5.3.30Reasons Why USA Lost
6

How was USSR's Control Over Eastern Europe?

6.1

Opposition to Control in Hungary & Czechoslovakia

6.1.1Causes of Opposition6.1.2The Hungarian Uprising6.1.3Czechoslovakia, 19686.1.4Reaction to the Brezhnev Doctrine
6.2

Similarities Between Hungary & Czechoslovakia

6.2.1Hungary and Czechoslovakia 16.2.2Hungary & Czechoslovakia 2
6.3

Why was the Berlin Wall Built?

6.3.1The Berlin Wall 16.3.2The Berlin Wall 26.3.3The U2 Crisis
6.4

Solidarity in Poland & Soviet Influence

6.4.1Solidarity in Poland
6.5

Gorbachev's Responsibility

6.5.1Reagan & Gorbachev6.5.2Reagan and the ‘Second Cold War’6.5.3The Collapse of Soviet Control6.5.4The Collapse of the USSR

Practice questions on The Polish Crisis & the Outbreak of War

Can you answer these? Test yourself with free interactive practice on Seneca — used by over 10 million students.

  1. 1
    On which day was Poland invaded by Germany?Multiple choice
  2. 2
    Consequences of Hitler's invasion of Poland:Fill in the list
  3. 3
    What was signed in 1939? Multiple choice
  4. 4
    Which countries signed the Pact of Steel in 1939?Fill in the list
  5. 5
    Which of these countries was NOT part of the Pact of Steel?Multiple choice
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The Nazi-Soviet Pact

The Guarantee for Poland and the War