How are people hurt by a command economy? What are benefits of a command economy?

Second question There are some advantages of a command economy, and these include: Low unemployment rates due to the regulation of jobs by the government. Everyone has access to health care services and necessary services needed to live, and usually the fee is either low or free.

(I'm not sure about the 1st question)

i think that the answer is polishing peanuts

c) troops march forward in close formation against newer, more accurate weapons