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Think of the main idea as an —umbrella“ idea. It is the author's primary point about a topic. All other material in the paragraph fits under the main idea. In a paragraph, authors often present the main idea to readers in a single sentence called the topic sentence.
Apartheid, Race, and Human Connection
In My Children! My Africa!, Athol Fugard shows how the apartheid regime reserved wealth and power for white people by dividing South African society along a racial line and ruthlessly exploiting the Black majority. But the racial divide also serves another purpose: it geographically, socially, and politically separates groups of people from one another, in order to try and prevent white people from recognizing non-white people’s humanity and fighting for social equality.
He was friends with Frederick and he was against racism