Scientists who study the customs of a group of people

Explanation:

The Central Powers were made up primarily of Germany, Austria-Hungary, and the Ottoman Empire, although Bulgaria was also an important member of the alliance. The colonies of the Central Powers were also employed in the war effort.

The Triple Entente was a military alliance that would later become the Allied Powers that would eventually defeat the Central Powers. This alliance was formed before World War I, and its first members were France, Great Britain, and Russia.