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)
The correct answer is Author Zimmermann.
c. free speech
John Dickinson authored Letters from a Farmer in Pennsylvania. He created a draft of fifteen proposals, criticizing the Stamp Act as unconstitutional. Because of his letters, the Stamp Act was revoked after only four months of the unproductive process.