I believe the best answer for this question would be that the best way to support a party or candidate would be to Vote
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)
Answer:C
Explanation: you should know this
Answer:
American Americans were allowed to join armed forces