Question

karl marx & friedrich engles; saddler report (& ashley report); labor unions; women working in factories; suffrage movement

Explanation:

The content involves topics like Karl Marx & Friedrich Engels, labor - related reports, labor unions, women in factories, and the suffrage movement. These are all related to the study of society, social groups, and social changes, which falls under the subfield of Sociology in Social Science. Sociology examines social structures, labor relations, gender roles in the workplace, and social movements like the suffrage movement.

Answer:

Sociology (under Social Science)