The Smoot-Hawley Tariff

A) lowered U.S. tariffs by 50 percent following World War II.
B) was passed by the U.S. Congress following the Civil War as a means of increasing government revenue.
C) was passed by the U.S. Congress upon a recommendation made by the General Agreement on Tariffs and Trade (GATT) in 1948.
D) raised average tariff rates by over 50 percent in the United States in 1930.

Answer: D