Which of the following is the best definition of communism?
A. A social system based on the principles of individual rights with a free market system.
B. A political structure that allows for the participation of all citizens in any level of government.
C. A social system in which producers possess political power and the meanings of manufacturing and producing goods.
D. A system of government in which a seat plans and controls the economy and a single party holds power, with the goal of progress towards a higher social order.