The US declared war against Japan because Japan attacked US territories in the Pacific Ocean. The US did not declare war on Germany and Italy. They declared war on the US following the US declaration of War on Japan.
When the Japanese destroyed most of the US Fleet on Dec. 7 1941. US troops casulties sumed to over 3000! while the Japs lost less than 100. President Roosevelt Declared war on Japan, and Germany.
America joined the war in 1941 with the Sovent Union
December 1941
December 7th, 1941
America joined WWII when Japan bombed Pearl Harbor in December 1941.
when the attack on pearl harbour ended, the Americans declared war on both countries as they found out somehow that the Germans had helped the Japanese to prepare for the devastation at pearl harbour
December 7th 1941 after the attack on Pearl Harbour
The United States declared war on the Empire of Japan on 8 December 1941.
America declared war on Germany in 1941.
America entered the war
December.
America joined the war in 1941 with the Sovent Union
December 1941
After the attack on Pearl Harbor on December 7th 1941, the following day America declared war on Japan and Germany. So they entered the war on December 8th 1941
president Roosevelt wanted America to stay out of the war, but on December 7th , 1941 when Japan bombed Pearl Harbor he had no choice but to go to war. While America was in the war Roosevelt made every effort to help America win. By, Husky Pratt
1941
December 7th, 1941
America's last declaration of war was on 11 December 1941.