Plot: Some of the great questions that arises from WWII is: Did FDR know in advance about Pearl Harbor? Was the Japanese attack unprovoked? FDR knew that he could not lead a divided nation into war, that the only was the United Stats could enter the war to aid Britain was to be attacked. To the end, the President created an "incident" in the Atlantic over German U-boat attack on the American destroyer, the USS Greer