<span>American troops helped turn the tide of the war. Once Russia dropped out of the war in 1917 because of the Bolshevik Revolution, the Germans were able to push all of their soldiers from the Eastern Front to the exhausted Western Front where they faced decimated French and British troops. However, the timely arrival of the American Expeditionary Force under the leadership of John J. Pershing, the Allies, including America, were able to turn the tide and push the Germans back from the Western Front.</span>
A region can be studied over many different periods, but a theme applies to only one period is one major difference between a region and a theme when studying history.
<h3>What is
region in history?</h3>
Regional history is historiography devoted to a physically confined area below the level of the Empire or the nation state, particularly in Germany; the area can be determined by the governance of a territory, as well as cultural, dialectal, economic, and other elements.
Thus, option D is correct.
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1-Germany wanted to have an empire to match other Europeans
2-the alliance system started a chain reaction of countries joining and Germany also wanted to show off there new army to the world(militarianisn)
Answer:
which war 1 or 2????? ???
