Question : The concept of "class struggle" in class-based movements is primarily associated with the ideas of:
Option 1: Adam Smith
Option 2: Karl Marx
Option 3: John Maynard Keynes
Option 4: Max Weber
Correct Answer: Karl Marx
Solution : The concept of "class struggle" is primarily associated with the ideas of Karl Marx, who argued that history is marked by conflicts between classes, with the working class eventually overthrowing the capitalist class to create a classless society.