Answer:
I believe the answer is A.
Explanation:
NAFTA stands for North American Free Trade Agreement. It eliminated all tariff & non-tariff barriers between the US, Mexico, and Canada.
(-3, -2) I believe it should be
globalization has led to an improvement in standard of living through improved roads and transportation, improved health care, and improved education due to the global expansion of corporations.
The greenhouse affect is the reason for the increase in average temperature and the green house affect is contributing to global warming