Explanation:

- Karl Marx:

- Karl Marx is well-known for using the concept of class struggle in his study of social change.

- He believed that society is divided into classes based on their relationship to the means of production.

- Class struggle between the bourgeoisie (owners) and proletariat (workers) is central to Marx's theory of historical development.

- Durkheim:

- Durkheim focused on social solidarity and integration rather than class struggle.

- He emphasized the importance of collective consciousness and social norms in maintaining social order.

- Weber:

- Weber looked at social stratification in terms of class, status, and power but did not emphasize class struggle as a driving force for social change.

- He highlighted the role of ideas and beliefs alongside economic factors.

- Parsons:

- Parsons focused on social systems and functionalism.

- He did not prioritize class struggle but rather looked at how different parts of society work together to maintain stability.