What was the primary reason for the economic recession in Europe following World War I?

The primary reason for the economic recession in Europe following World War I was due to the decline in the economic activities in the United States.

This was because the activities and plans achieved during the war had to undergo some modifications after the war which resulted in a certain degree of economic deterioration. Although it occurred for a short while after which economic boom occurred.

they required less loading and unloading

explanation:

the shipping container improved shipping because it cut down on unloading time by three weeks, eliminated wasted space, and allowed ships to carry.

the answer is b just took the test