Which are aspects of the communist philosophy?
classless society
land belongs to state
no wages paid
free social services
freedom of religion
private businesses allowed

The correct answers are A) classless society. B) land belongs to the state. D) free social services.

Some aspects of the communist philosophy are a classless society, the land belongs to the state, and free social services.

In the Communist system, the means of production belong to the state. There is no private property in a Communist system. The government decides what to produce, how much to produce, at what price, and when to produce. Workers receive monthly stipends from the government for their work.

these civilizations were located around fertile rivers, where they could produce an abundance of crops

you didn't list the options. however, a few communist countries today are: the people's republic of china, north korea, and cuba.