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

The United States fought against Japan, Germany, and Italy during World War II. This coalition of countries, known as the Axis Powers, was engaged in conflict against the Allies, which included the United States, the United Kingdom, the Soviet Union, and other nations.

Japan was primarily a threat in the Pacific theater, engaging in aggressive military actions that led to the bombing of Pearl Harbor and subsequent U.S. involvement. Germany, under Adolf Hitler, was responsible for widespread aggression in Europe, initiating the war by invading Poland and later launching attacks across the continent. Italy, led by Benito Mussolini, was also part of the Axis alliance, contributing to military campaigns in North Africa and southern Europe.

In contrast, the other options include countries that were not part of the Axis Powers. Russia was an ally of the United States during World War II, despite sharing a contentious relationship post-war. France, while occupied by Germany during much of the war, was also an ally and eventually contributed to the liberation of Europe. China was involved in conflict against Japan during this period but was not an enemy of the United States. The inclusion of Vietnam and Spain in other answer options does not align with the roles these countries played during that specific conflict, as Vietnam was not