Why did america enter ww2?

When the war began, the United States had entered a period of isolationism. Americans viewed the conflict as Europe’s problem and wished to keep it that way. However, as the situation in Europe grew increasingly dire, the United States began to slowly edge toward war. read more

From then on, America's capacity to produce hundreds of thousands of tanks, airplanes, and ships for itself and its allies proved a crucial factor in Allied success, as did the fierce resistance of the Soviet Union, which had joined the war in June 1941 after being attacked by Germany. read more

The United States joined World War II as a response to the bombing of Pearl Harbor in Hawaii by the Japanese on Dec. 7, 1941. The country had been keeping itself isolated from the global war; however, after the attack, the country declared war on Japan on Dec. 8, 1941. read more