How did joining NAFTA affect the Mexican economy?
It had little effect on the economy.
It caused the economy to decline.
It stopped all economic downturns.
It helped improve the economy.

he sent troops to protect the students as they entered the school.

i actually have a suggestion instead of an answer, how about next time instead of spending the time to time up the question you take that time and try to figure something out for yourself, do you understand?

explanation:

leave a 5 star and a and brainliest answer if you understand, hope this betters you day, or not i don't really care either way. xd

religion was the center of there society they practiced human sacrifices and which they believed kept there god strong and that he would keep bad guys away hope this