D). Vast empires.
Classical civilizations developed vast empires, whereas early river valley civilizations did not.
Answer:
Main negative effect are .
The loss if job
Income inequality
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.
When colonists boycotted British goods under the Stamp Act, they b) refused to participated in buying stamps. Many times tax collectors were intimidating by the colonists who were protesting, and effectively were not able to collect the tax. Most states were revolted and sent petitions to Great Britain in protest of this tax imposed on the colonies.