Answer:
WWI: On one side, the Allied Powers included Serbia, France, Belgium, Russia, and Great Britain. On the other side, the Central Powers were Austria-Hungary, Germany, Bulgaria, and the Ottoman Empire. Most of the fighting took place in Belgium and France, with the German Army doing most of the work for the Central Powers.
WWII: Axis Powers: Germany, Italy, and Japan And the allied powers: England, France, the Soviet Union, the U.S., and a lot of other smaller countries.