The Hawley-Smoot Tariff of 1930 was designed to protect American industries from foreign competition. What effect did the tariff actually have?

A. It allowed American products to become more competitive due to reduced labor costs.

B. It reduced the demand for American goods and contributed to a decline in world trade.

C. It increased the demand for American goods as intended and led to a revival in world trade.

D. It created new markets for American goods in countries that previously could not afford them.