How did the British justified discriminating against the Zulu, even though they made up a majority of the population?

They said that the Zulu's were savages, and that they(the British), were the good ones.

the  wilmot proviso  was designed to eliminate  slavery  within the  landacquired as a result of the mexican war (1846-48). fearing the addition of a pro-slave territory, pennsylvania congressman david  wilmot proposedhis amendment to the bill.

a.opium

hope this