How did the Union of South Africa function differently than any other territory in Africa?

Question

Quizplus · Accepted Answer

Unlike most other territories in Africa, the Union of South Africa was largely self-governing and had a degree of autonomy from Britain. It was established as a dominion in 1910, with a constitution that gave white settlers control over the government and excluded black Africans from political power. While the system was deeply flawed and racist, it functioned differently than other colonial and protectorate systems in Africa.

How Did the Union of South Africa Function Differently Than