I dont know all the answers but i know one and its
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Answer:
The Soviet Victory ended Hitler's plans for dominating Europe
Explanation:
Poison gas was one of the major technology advancements militaries used at the course of the first world war. However, it made only a little impact since nations were more inclined on using tanks in the warfare. Tanks were essential in advancing positions because it would easily defeat the trench warfare.
People had live in the Americas for tens of thousands of years before Columbus arrived.
North and South America had had inhabitants for many years, as evidenced by the highly complex cultures present there.
They wanted to provide a way to change the Constitution as the country changed.
