Answer:
They own all the agricultural and mining land. The remaining land owned by black people is lar. The land is, by far, the most important benefit white South Africans gained from colonialism and apartheid.
Explanation:
https://www.quora.com/How-have-white-South-Africans-benefited-from-colonialism-and-apartheid
The dust bowl and caused by dieing plants and pestisides
My best guess would be "C"
explorers are just looking around. conquistadors are trying to take the land