My best guess would be "C"
Explanation:
Topper is an archaeological site located along the Savannah River in Allendale County, South Carolina, United States. It is noted as a location of artifacts which some archaeologists believe to indicate human habitation of the New World earlier than the Clovis culture.
The correct answer would be boycotts.
During 1965, the United Farm Workers organized the Delano gripe strike. This strike also included a boycott of this product, meaning these individuals would refuse to buy grapes.The goal of this was to cut into the profits of the individuals who they were striking against.
The Southern Christian Leadership helped to organize the Montgomery Bus Boycott during the 1950's. This was sparked by the anger from citizens who heard about the Rosa Parks story. This strike lasted over a year and cut into the profits of bus operators all across the city of Montgomery.
Does this question have multiple choice answers? I'd love to help if you still need it.