Nazi expansion violated treaties and threatened neighboring states.
Causes of World War II
Expansion by Germany, Italy, and Japan, along with weak collective responses, helped turn regional aggression into another global war.
The big picture
What to know
Expansion by Germany, Italy, and Japan, along with weak collective responses, helped turn regional aggression into another global war.
Appeasement failed to prevent further German aggression.
Germany's invasion of Poland in 1939 began war in Europe.
Check your understanding
Choose one answer for each question. Feedback appears below it.
Which example fits this clue? This example violated treaties and threatened neighboring states.
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Which example fits this clue? This example failed to prevent further German aggression.
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Which example fits this clue? Germany's invasion of Poland in 1939 began war in Europe.
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Why did another world war begin?
- Make a claim that answers the question.
- Use two examples from the review.
- Explain how the examples support your claim.
See a model response
Expansion by Germany, Italy, and Japan, along with weak collective responses, helped turn regional aggression into another global war. Nazi expansion violated treaties and threatened neighboring states. Appeasement failed to prevent further German aggression.
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Resources & review
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Nazi expansion
Nazi expansion violated treaties and threatened neighboring states.
appeasement
Appeasement failed to prevent further German aggression.
invasion of Poland
Germany's invasion of Poland in 1939 began war in Europe.
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