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Investigation U.S. involvement in WWI and promoted isolationist policies -
laws passed to prevent the U.S. from getting involved in foreign wars -
Germany invaded Poland leading Britain and France to declare war -
The U.S. exchanged 50 destroyers with Britain for military base access -
Japan's attack led to the U.S. officially entering the WWII -
allowed the U.S. to send military aid to allied nations signaling deeper involvement -
The U.S.declared the western Atlantic as neutral escorting British ships -
a joint declaration between the U.S. and Britain outlining war aims and post war plans