This answer should be pretty straightforward. A place of worship is a place that indicates who the ancient peoples of a civilization could have believed in and what gods they thought were holiest. Agriculture has to do with farming and breeding, not worship. Surplus just talks about the amount of product someone might have. Trade has little to do with religion.
In 1966 SNCC officially threw its support behind the broader protest of the Vietnam War. As SNCC became more active politically, its members faced increased violence.