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Germany and the Soviet Union signed a ten-year nonaggression pact. -
A skirmish between Chinese and Japanese troops broke out at the Marco Polo Bridge -
Hitler's troops marched into Austria and annexed the country. -
Japan dropped a bomb on Pearl Harbor. 3,000 Americans were killed and 6 battleships were destroyed. -
Roosevelt advocated collective action to stop the epidemic aggression. But his hopes of igniting American sensibilities failed.