<u><em>Great Question!</em></u>
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<u><em>He was elected president in 2000, re-elected in 2004, and ran again successfully in 2012.</em></u>
Answer: I think you mean theories; Theroies a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.
We learn theroies because theories provide a basis to understand how people learn and a way to explain, describe, analyze and predict learning. In that sense, a theory helps us make more informed decisions around the design, development and delivery of learning.
Explanation:
Mexico. Or mainly Mexico city. They built a city, with walls and a it was in the middle of a lake.