In 1921, President Harding signed laws that placed higher tariffs, or import taxes, on goods brought into the United States. Although Congress had only developed this bill to exist for a short time, two years later, the president signed the Fordney-McCumber Tariff Act. It raised tariffs even higher. How do you think high tariffs on goods brought into the United States helped American industry?

a) By reducing competition
b) By increasing foreign investment
c) By promoting free trade
d) By encouraging exports