What was the primary motivation for the draining of lake beds in mexico city?

To reduce the risk of flooding hope I could help :)

Africans learned what the europeans wanted them to learn. instead of learning about african history and current information that could and would them they learned solely what europe wanted them to. and not everyone received the same education, some received better and others none.

The correct answer is a)  a resource with a limited supply; it will run out.