Command economies use planning to maintain government control.
a.
social
b.
central
c.
community
d.
regional

An example of a command economy was the Soviet Union during the Cod War, when it had Communism as the economical system.

In Communist economies, or in command economies generally the planning is done by the government - we call it central planning (answer B)

Thats not a question. what do you want me to do?