Explanation:

- Option 1: Marx

- Karl Marx analyzed class struggle.

- He highlighted the conflict between the bourgeoisie (owners) and proletariat (workers).

- Saw this division as fundamental to societal stratification in capitalism.

- Option 2: Weber

- Max Weber expanded on class with a focus on status and power.

- He introduced the concept of multidimensional stratification.

- Option 3: Parsons

- Talcott Parsons emphasized social order.

- He believed in the importance of consensus and integration within society.

- Option 4: Lincoln

- Abraham Lincoln was not a social theorist.

- Known primarily for his political leadership and the abolition of slavery.