What prompted imperialism in south africa?
a. the quest for land.
b. the discovery of gold and diamonds.
c. the desire to convert the natives.
d. the discovery of salt.

It was primarily "B. The discovery of gold and diamonds" that prompted imperialism in South Africa, since this was during the age of colonization, in which many European nations were "scrambling" for riches in the region. 

The coast of north america , basically yes newfoundland , i would say c , good luck