Who envisioned a kind of socialism known as communism? Robert Owen Karl Marx John Stuart Mill Charles Darwin

The correct option is Karl Marx .

Explanation:

Communism can be described as a type of socialism whose aim is to create a society which is free of any classes.

Karl Marx was of the view that poverty and diseases were endemic that could only be resolved when capitalism will be replaced by communism. As Karl Marx, himself, observed discrimination in his early life hence he fought all his life to make people believe in communism instead of capitalism. He even had to flee away from his hometown due to his views on communism.

yes? sounds right, but you didn’t ask a question.

it's c. (to reduce the greenhouse effect/carbon gasses)