Answer :Trenches were built during World War I to protect stalemated troops on both sides from artillery and rifle fire. Although the war began with rapid movement of the German army, when the Allied forces stopped the Germans, both sides dug trenches to help avoid losing territory they had gained.
Explanation:
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A deadly virus emerges that can pass from human to human.
A civil war breaks out in Italy.
Answer: Yes they did WW1 killed so many so the US did not want to get in a another thing like that
