Answer:
command economy
Explanation:
In a command economy, the government controls major aspects of economic production. The government decides the means of production and owns the industries that produce goods and services for the public. The government prices and produces goods and services that it thinks benefits the people.
Answer:
The 'Middle Ages' are called this because it is the time between the fall of Imperial Rome and the beginning of the Early modern Europe. ... The Dark Ages are given this name because Europe was in disarray in comparison to the orderliness of classical antiquity and life was short and poor.
I think that the answer is C. Troposphere