Answer:
I believe it's the third one
Explanation:
Answer: The Smoot-Hawley Tariff Act of 1930 raised U.S. imported duties with the goal of protecting American farmers and other industries from foreign competition. The act is now widely blamed for worsening the severity of the Great Depression in the U.S. and around the world.
Explanation:
Slavery was why the north and south were fighting, so it would be slavery
Reagan's economic policy were to reduce the growth of government spending, reduce the federal income tax and capital gains tax, reduce government regulation, and tighten the money supply in order to reduce inflation.