Answer:
Main negative effect are .
The loss if job
Income inequality
Step-by-step explanation:
The loss of these jobs is just the most visible tip of NAFTA's impact on the U.S. economy. In fact, NAFTA has also contributed to rising income inequality, suppressed real wages for production workers, weakened workers' collective bargaining powers and ability to organize unions, and reduced fringe benefits.
NAFTA's Impact on U.S. Workers. ... Second, NAFTA strengthened the ability of U.S. employers to force workers to accept lower wages and benefits. As soon as NAFTA became law, corporate managers began telling their workers that their companies intended to move to Mexico unless the workers lowered the cost of their labor.