The American Expeditionary Forces<span> (</span>AEF<span>) was the </span>expeditionary force<span> of the </span>United States Army<span> during </span>World War I<span>. It was established on July 5, 1917, in </span>France<span> under the command of </span>Gen. John J. Pershing<span>.</span>
The answer would choice C, between the Tigris and Euphrates rivers.
Monroe doctrine
Monroe doctrine warns European countries to not colonize or puppet monarch
Winston Leonard Spencer-Churchill, as he was the leader of the United Kingdom, one of the allied powers during World War 2. Remember to check yourself.
Hope this helps :)
Answer:
Nineteenth-century Russian society was rigidly hierarchical, with an established class system that provided the outlines for the social and economic order.