Answer:
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Answer:Trench Warfare was a form of military conflict in which opposing sides fought one and other from trenches facing one and other.some difficulties of trench warfare is diseases such as trench fever and trench foot became common.
Explanation:
The word that best describes the United States economy during the 1920s would be "<span>d. prosperous" since this period in the US was known as the "roaring 20s" for this very reason. </span>