Question

What were the two groups of alliances in World War I?

Answer 1

the Central Powers,

which included Germany, Austria-Hungary, Bulgaria and the Ottoman Empire;

and the Allies, which included

France, Great Britain, Russia, Italy, Japan and later, the United States.

Answer 2

The two alliances that existed during World War I were the Central Powers and the Allied Powers. The Central Powers included the countries of Germany, Austria-Hungary, Turkey, and Bulgaria. These countries agreed to help each other if they were attacked.