Which of the following contributed to the severity of the Great Depression in the 1930s?

A) Constant structural changes that created uncertainty and undermined markets.
B) The Fed's policy of rapid monetary expansion during the early 1930s.
C) A reduction in tariffs protecting many U.S. industries.
D) A substantial tax rate reduction, which led to large deficits and high interest rates during the early 1930s.

Structural Changes

Alterations in the fundamental ways a market or economy operates, often due to technological advances, shifts in demand, or policy changes.

Monetary Expansion

An increase in the money supply in an economy, typically achieved through central banking activities, leading to potential effects on inflation, interest rates, and economic growth.

Tariffs

Taxes imposed by a government on imported goods, often used to protect domestic industries from foreign competition.