Deploy - move troops into military action
space race - race to explore outer space
domino theory - belief if one county is communist it’s neighbors become communist
arms race - competition between the us and ussr over nuclear weapons
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.
<span>The unofficial boundary that formed at the end of World War II and divided Europe into two sections was known as the IRON CURTAIN.</span>