After the boer war, the majority population of south africa was forced to live

on reserves

in cities

on afrikaner land

on british land

I believe your answer is on reserves in cities

The enviroment with hedge hogs

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.