The US economy started booming in the 1920s because WWI was just ended/coming to a close and all of the money that was spent on war supplies made companies and workers richer as well the war debt and damage of our alies needing supplies that we gave giving us even more money and prosperity.
The answer to the question above is 1943.
1943 is the year that General Montgomery lead the allies to a victory over the Axis troops in North Africa. The North African Campaign started from June 10, 1940, and ended in May 13, 1943. The British Commonwealth force was led by Lieutenant-General Bernard Montgomery.
It allowed France and Russia to mobilize their militaries faster than Germany had thought possible.
<span>Militarism: Is the belief in building up strong armed forces to prepare your country for war!
<span>Alliance System: Countries agreed to support one another in the case of an attack from other countries.
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The answer I would have chosen would have been that Paris was in chaos. Someone had to do something. The second and 4th answers are nonsense. He was a skillful politician. He took advantage of circumstances. I think however you are intended to pick A.
First One (A) <<<<==== answer.