Answer:
As the Sumerian villages grew into large cities, they formed city-states. ... All of these things were important for the development of human civilization.planation:
Answer:
Banks shut down people lost their jobs and many places went out of buisness
Explanation:
command economy Economic System in which basic economic decisions are made by a central authority
market economy Economic system in which basic economic decisions are made by people and firms acting in their own best intersts
market economy advantage Relatively small degree of goverment interference
