Explanation:
Robert Owen was one the founder of utopian socialism. Utopian socialism is described as presenting a vision or outline for ideal societies in the future and positive ideals being the drive for the society.
Karl Marx was the founder of Marxism. Marxism presented a way to analyze capitalism and stated that class struggle arises due to materialistic needs of the people.
Marx stated that in a state of crisis this class struggle leads to revolution which leads to the formation of a socialist state.
In a utopian socialist society it was believed that a socialist state need be formed from a revolution and the different classes can adopt socialist ideals voluntarily.