The German Empire, and the Austro-Hungarian Empire.
America didn't fight in world war 1
World War 1
Its World War 1 u idiot...
america entered the war after pearl harbor
world war 2
America's population at the beginning of world war 1 was considered mobilization. After World War One fifth of the world's population was infected.
world war 1
America didn't fight in World War 1!
America help provided heavy artillery for war and other war equipments.
none America didn't fight until world war 2
The US entered the war for a variety of reasons
America