Answer:
Explained Below
Step-by-step explanation:
Robert Owen proposed the idea of Utopian Socialism and Social Democracy whereas Karl Marx talked about Communism.
Marx believed that Utopian socialists do not form a natural class. However, Owen believed it to be more realistic and ideal form of society.
The Utopian Socialists believed in a rationalist faith in science. They held a radical critique of individualism as opposed to Marxism. Owen believed in a harmonious blend of society whereas Marx believed in overthrow of Capitalism with social equality.