Ballistic Missiles were not invented until 1936 so the answer is A
I think the answer is C because other choices doesn't really make sense. Especially choice A. Hope this helped.
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Most of today's suburbs were farmland during the 1940s. ... Understanding why people began moving to the suburbs is important. The migration had a huge impact on U.S. energy use (suburban living encourages driving; urban living encourages walking) and schooling (suburban schools are often superior to urban schools).
The longest of the empires was be ottoman