The correct answers are A: <em>Social classes disappear</em> and C: <em>Everyone's basic needs are met.</em>
Communist society is characterized by replacement private property and a profit-based economy with public ownership of property hence no social classes in the system. It is also ensures that Everyone's basic needs are met since the government represents every individual by controlling the means of production, entrepreneurship, capital goods, and natural resources.
There were several major enlightenment principles that he adhered to, but perhaps the best was that powerful leaders could be overthrown if the will of the people dictates it.
Used wind patterns and currents to navigate