When Did America Enter WW2? Why Did Japan Attack?
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When Did America Enter WW2? Why Did Japan Attack? When Did America Enter WW2? America officially only entered World War 2 two years into the war on December 8, 1941, when all but one member of Congress passed the motion one day after the attack on Pearl Harbor in Hawaii. Although America formally maintained neutrality up until that moment, the U.S. has long been involved in the war, providing support to the Allies. When Did America Enter WW2? – Not That Neutral In the first two years of the war, America remained politically neutral, but president Franklin was working hard to prepare the Americans for what he regarded to be an inevitable conflict. He felt that the war was threatening U.S. security and tried to find ways to help the European Allies without being formally involved in the war. He persuaded Congress in November 1939 to repeal the arms embargos that were part of the neutrality law and pass the Fourth Neutrality Act, which allowed him to trade arms with countries whose defen