Japan declared war on both the U. S. and Britain when they launched the surprise attack on Pearl Harbor.
After Pearl Harbor was attacked we declared war on Japan. Then Germany and Italy declared war on the U.S.
The US fleet was at Pearl harbor, contrary to the opinion that Japan attacked the US unprovoked. The US and Britain were fighting Japan in an undeclared war in China. Until recently declared the fighters in China were Civilian volunteers.
America declared war on Japan.
Pearl Harbor was bombed December 7 1941 America declared war on Japan the next day then Germany declared war on us. Pearl Harbor was a surprise attack.
Japan attacked Pearl Harbor because they wanted it. So after that America declared war on Japan and that caused the war in the Pacific
First of all, Pearl Harbor was and still is a part of country (we never declared war on Pearl Harbor). Second, I assume you're asking when we declared war on Japan BECAUSE of the attack on Pearl Harbor. Pearl Harbor was attacked on December 7, 1941. Roosevelt declared war on December 8th.
F.D.R. declared war on Japan in retaliation to the Japanese attacking Pearl Harbor.
America declared war on Japan and entered WW2.
The Allies (USA, Canada, Britain, Soviet Union etc.) agreed to pool their resources and fight the Axis powers as a joint operation. Because of the greater industrial output of the USA and the increased manpower, the Allies were able to make inroads towards defeating the enemy which hadn't been possible before.
America was forced to respond to the attack. President Franklin D. Roosevelt went before congress to ask that a state of war be declared between the US and Japan.
The Battle of Britain was. The attack on Pearl Harbor was A arial attack.