Answer:
From November 15 until December 21, 1864.
Explanation:
In general, "a. cities" are not required for the development of civilization, since many civilizations throughout history have been comprised of smaller villages that would not compare to modern or pre-modern cities.
The first one im pretty sure is correct
Answer:
The United States increased its efforts to construct nuclear weapons.
Explanation:
It was an arms race. The objective of the arms race was to invest in research and the creation of weapons. When the United States launched an armament, the Soviet Union responded with an even more powerful one. At a certain point in this race, both countries would match and realize that they could destroy each other, and the world as well.
