What were the two main alliances during world war 2?

The two main alliances during World War II were the Allies and the Axis powers. The Allies primarily included the United States, the Soviet Union, the United Kingdom, and China, who united against the Axis powers, which consisted mainly of Germany, Italy, and Japan. This division played a crucial role in the global conflict, with the Allies ultimately emerging victorious in 1945. The war fundamentally reshaped international relations and the global balance of power.