Uncle Tom's Cabin by Harriet Beecher Stowe increased public support for the abolitionist movement by doing what?

Responses:
A. Advocating for the expansion of sla**ry into new territories.
B. Arguing for the rights of sla** owners to maintain their property
C. Exposing the brutality and inhumanity of sla**ry
D. Promoting the economic benefits of abolishing sla**ry

C. Exposing the brutality and inhumanity of sla**ry