A. the expansion of white communities in South Africa
B. the agitation for black-white equality in South Africa
C. the annexation of white communities by the Africans
D. restriction of movement of the whites in South Africa
Correct Answer: Option A
A. the expansion of white communities in South Africa
Explanation
The expansion of white communities in South Africa is the correct answer. The Great Trek was a movement of Dutch-speaking colonists up into the interior of Southern Africa in search of land to establish their own homeland, independent of British rule.