The well-known sociologist Charles Tilly has studied the patterns and organization of large-scale social movements and social change.His data has been derived from which of the following sources?

A) personal records
B) testimonials
C) existing documents and official statistics
D) all of these choices
E) none of these choices

Existing Documents

Previously created records or texts that provide evidence or information relevant to a research question or historical inquiry.

Charles Tilly

A renowned sociologist and historian known for his work on social movements, political sociology, and historical sociology.

Social Movements

Collective, organized efforts by people to promote or resist change in society or social norms.