Who did the United States fight against during World War II?

The United States fought against Japan, Germany, and Italy during World War II. This conflict, which lasted from 1939 to 1945, saw these nations forming the Axis Powers, opposing the Allied Powers, which included the United States, the United Kingdom, the Soviet Union, and others.

Japan was a significant adversary in the Pacific Theater, known for its surprise attack on Pearl Harbor in 1941, which led to the U.S. entering the war. Germany, under Adolf Hitler, was the principal force in Europe, and its invasion of multiple countries led to widespread conflict across the continent. Italy, ruled by Benito Mussolini, was also part of the Axis alliance, and its military actions in Africa and against Allied forces contributed to the global war effort.

The other options, while mentioning some countries involved in World War II, do not represent the primary opponents the U.S. faced. France and England were part of the Allies fighting against the Axis, while Russia (the Soviet Union) was also part of the fight against Germany. Spain remained neutral during the war, and although it had sympathies for the Axis, it was not a combatant against the U.S. Thus, the correct answer reflects the actual countries the United