What factor contributed the most to the depression of 1920–21? (2 points) speculation demobilization foreign imports tariff reductions

Demobilization

Explanation:

Demobilization of troops of soldiers was the factor that contributed to depression in 1920 to 1921.

The depression of 1920 to 21 was a deflationary Inflation that occur in the United States after the first world war. Demobilization of troops from the world war cause a surge in the civilian labor force and it's result in unemployment and wage stagnation. Troops that returned from war became in unemployed and we're looking for possible ways to survive in the labor force and the wage didn't change

probally   a few days after there called