At the same time, the United States was providing its allies in Great Britain and the Soviet Union with critically needed supplies. Many Americans volunteered to defend the nation from enemy bombing or invasion. They trained in first aid, aircraft spotting, bomb removal, and fire fighting.Before the United States joined World War II in response to the Japanese attack on Pearl Harbor, the great battle had been raging in Europe since 1939. While the British and Russians struggled against the German Reich, the United States remained officially neutral and refused to enter the war.Jan 19, 20The U.S. joined the war after the attack on Pearl Harbor because the American Public was upset that Americans were killed. America was reluctant to join WW2 because as a nation they were just beginning to recover from the Great Depression and had just recently lost troops in WW1.
On December 7, 1941, the U.S. was thrust into World War II when Japan launched a surprise attack on the American naval fleet at Pearl Harbor. The following day, America and Great Britain declared war on Japan. On December 10, Germany and Italy declared war on the U.S.
