Which president decided to use the atomic bomb in the summer of 1945? Franklin D. Roosevelt
Harry S. Truman
Dwight D. Eisenhower
John F. Kennedy

Which factor most contributed to the united states' decision to enter world war i? a) germany attacking merchant ships that carried american civilians. b) the allied powers victory in the battle of the somme c) the ottoman empire beginning a campaign of genocide against the armenian people d) mexico launching attacks on u.s. territory with the of germany