Which statement best describes a negative effect of human activity on Africa's waterways? O Dams have changed river flows, which has led to erosion.
O The use of rivers to water crops has led to droughts.
O Population growth has led to the destruction of rivers.
O The use of river transportation has harmed water quality.

Dams have changed river flows, which has led to erosion.

Explanation:

- "it was a failure that was an embarrassment for the kennedy administration."

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religion played a major role in the american revolution by offering a moral sanction for opposition to the british--an assurance to the average american that revolution was justified in the sight of god. the revolution strengthened millennialist strains in american.