How did the Smoot Hawley Tariff affect the American economy? A. The tariff hurt trade with other countries.
B. The tariff increased America's trade with foreign nations.
C. The tariff increased the confidence of investors in the stock
market
OD. The tariff helped solve the problems of the Great Depression.

A. The tariff hurt trade with other countries.

Explanation:

The Smoot-Hawley Act brought about an increase in tariff of goods and products coming into America by up to 20% and this singular act made other countries to impose their own tariffs on American products coming into their country.

As a result of this, there was a general trade crisis which was a contributing factor to the Great Depression.

i believe the answer would be 1.