Marx and Engels believed that a communist revolution would defeat capitalism and that the revolution would be led by the bourgeoisie.
entrepreneurs.
factory owners.
the working class.

The working class.

Explanation:

Marx and Engels played a major role in introducing the idea of communism in Europe. Both entered into a collaboration and became members of socialist groups. They published the Communist Manifesto, which called for a working-class revolution to overthrow the capitalist system. They believed that under capitalism workers knew only poverty. They worked for long hours at low wages and lived in overcrowded lodgings. Both supported the working class as they believed it would defeat Capitalism and establish a classless society.

d

Explanation:

the working class

answer: karl marx, max weber, and emile durkheim (the fourth could be considered georg simmel)

explanation:

the correct answers are 1, 2 5, 6