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Congress passed a series of Neutrality Acts to keep the US out of war. -
Germany invaded Poland, marking the beginning of WWII in Europe. The US originally made the policies of neutrality but that fell through. -
An Amendment to the Neutrality Acts allowed belligerent nations to buy arms from the US. -
The US transferred 50 old destroyers to Britain in exchange for 99-year leases on British bases in the Western Hemisphere. -
This Act allowed the US to lend or lease war supplies to nations whose defense was vital to US security, marking a significant end from isolationism. -
A joint declaration by Roosevelt and Churchhill outlined goals for the post-war world. -
The Japanese attack on pearl harbor forced the US into WWII, ending isolationism and leading to full intervention.