Slavery in the roman empire was select one: a. based on race. b. unproductive in the long term because it gave little incentive for hard work. c. a factor leading to technological innovation in agriculture, because slaves were so expensive. d. confined to workers in agriculture. e. responsible for the overpopulation of the empire.

answer:

i think   the answer will be b i hope this

explanation:

answer: ensure protection from communism

explanation:

the north atlantic treaty was largely dormant until the korean war initiated the establishment of nato to implement it, by means of an integrated military structure: this included the formation of supreme headquarters allied powers europe in 1951, which adopted the western union's military structures and plans.