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

The answer you are looking for is b.) central. hope that have a wonderful

  your answer is b. central  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)