World War 2: What Were the Causes? September 1, 1939, a day that would change the world forever. It was the start of World War 2. Germany had invaded Poland and introduced its self to the world as a powerful war machine. The war lasted 6 years, it killed more people, destroyed more property than any other war in history. World War 2 not only involved Germany but most of central and Western Europe, the Soviet Union, United Kingdom, Japan, China, …showed first 75 words of 776 total…

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