Click here to read the passage for this question. The passage will open on a second screen. Arrange the screens so you can see both at the same time. Select the sentence that best captures the main idea of the passage. The diversity of rivers in South Africa is rivaled only by the diversity of the people who live there. South Africa has many rivers, but they are usually quite small. People could only travel inland a few miles at a time before needing to stop. South Africa's geography has influenced its weather systems, waterways, and human settlement. ​