World War II and Environmental Change

From the study guide

Course Outline

  1. Molotov–Ribbentrop Pact
  2. The Invasion of Poland
  3. Longer Growing Seasons
  4. Climate Threats to Species
  5. Agriculture and Environmental Change

Key Dates

  1. August 1939Germany and the Soviet Union signed the Molotov–Ribbentrop Pact, named after their foreign ministers
  2. 1 September 1939Germany invaded Poland and the Second World War began
  3. 29 September 1939Warsaw surrendered to Germany as the last Polish city to surrender

1. Molotov–Ribbentrop Pact

★ Must-know

  • The Soviet sphere included:

    • Finland
    • the Baltic states
    • eastern Poland
    • Bessarabia
  • The pact gave Stalin security guarantees and time to prepare for war, while Hitler secured his eastern flank in case Germany went to war with the Western powers over Poland.

Further detail

  • In France, the public announcement of the pact led to the banning of the Communist Party and the imprisonment of its members of parliament, while some communists left the party.

Memory Hook

Stalin gains security and preparation time, while Hitler secures his eastern flank.

2. The Invasion of Poland

Essential Points

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Practice quiz preview

1. When was the Molotov–Ribbentrop Pact signed by Germany and the Soviet Union?

2. What did the secret additional protocol of the Molotov–Ribbentrop Pact establish for Eastern Europe?

3. What strategic advantage did the Molotov–Ribbentrop Pact provide to both Stalin and Hitler?

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Flashcard preview

When was the Molotov–Ribbentrop Pact signed?

In August 1939.

Which countries were assigned to the Soviet sphere in the pact's secret protocol?

Finland, the Baltic states, eastern Poland, and Bessarabia.

Which area did Germany receive in the pact's secret additional protocol?

Western Poland.

What security benefit did the pact provide Stalin?

It gave Stalin security guarantees and time to prepare for war.

What strategic advantage did Hitler gain from the pact?

He secured his eastern flank in case of war with Western powers over Poland.

What was the reaction in France to the public announcement of the pact?

The Communist Party was banned and its members of parliament imprisoned.

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Frequently asked questions

What does the World War II and Environmental Change study guide cover?

It covers the core concepts of World War II and Environmental Change, organized by topic with the key definitions, explanations and takeaways, so it's easier to learn and remember.

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How many questions are in the World War II and Environmental Change quiz?

The practice quiz has 15 multiple-choice questions, each with an explanation. Use it to check what you know and find your gaps.

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How do I study World War II and Environmental Change with flashcards?

There are 33 flashcards on World War II and Environmental Change, with a question on the front and the answer on the back. Try to recall each answer before you flip, and let spaced repetition bring back the ones you miss.

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