B. increase in manufacturing jobs in Mexico is a direct result of NAFTA.
NAFTA or the North American Free Trade Agreement is the world's largest free trade agreement or treaty between Mexico, Canada and the United States of America. It is an agreement that has a gross domestic product of more than $20 trillion within the emerging market.
Answer:
A. The method by which the US senators are elected was changed.
Explanation:
Its the second one i think have it checked i might be wrong :)