[["On December 7, 1941, following the Japanese bombing of Pearl Harbor, the United States declared war on Japan. Three days later, after Germany and Italy declared war on it, the United States became fully engaged in the Second World War.", 106.0], ["The United States got involved in world war 2 on March 11, 1941, Congress adopted what is euphemistically known as lend-lease; lend lease allowed the United States to officially be neutral, but arm it's allies. ", 66.0], ["The United States began to provide significant military supplies and other assistance to the Allies in September 1940, even though the United States did not enter the war until December 1941.", 5.0], ["During World War II, the United States began to provide significant military supplies and other assistance to the Allies in September 1940, even though the United States did not enter the war until December 1941.", 0.0]]
when did united states get involved in world war two
history