Answer:
The answer would be A.)
Explanation:
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A Planned economy, also known as a command economy, is an economic system in which the state directs the economy. The central government controls industry such that it makes all decisions regarding the production and distribution of goods and services.
About 20 to 30 years maybe ?
Answer: The domino theory was the basis for the United States strategy of containment, and the reason for entering the Vietnam War. ... The domino theory basically stated if one new countrywent communist in Asia then it would begin a chain reaction that would cause several more Southeast Asian countries becoming communist.
Explanation: hope this helps. It has a little information that I learned about it.
Barbarian attacks caused the collapse of the Western Roman Empire.