Many kikuyu ended up losing their farmlands to
a. white settlers
b. railroad workers
c. masai
d. mau mau

Many Kikuyu ended up losing their farmlands to a) white settlers. There was massive tension between the two ethinc groups because English colonists wanted to subdue the indigenous peoples and take over their agricultural property, because the terrain was rich.

I'm hella smart but i dont know that

The answer is c, i, iii, and iv. this is because farming and mining deal with harvesting raw materials, construction work falls under manufacturing, and piloting a plane is a service. ii is wrong because making bread is using  raw materials to produce goods, which would fall under the secondary sector, not primary.