The correct answer is B) European countries had to spend money supporting refugees fleeing the fighting.
The lasting impact of World War 1 that weakened the economy of Europe, leading to the Great Depression was that European countries had to spend money supporting refugees fleeing the fighting.
Many countries in Europe faced many conflicts due to the sequels of World War 1. One of those problems was economic. A big one. European countries had to spend money supporting refugees fleeing the fighting. This weakened the economy of Europe. They needed money for reconstruction of their cities destroyed by the war and to face the poor economic conditions of their people in times when the stock market crashed in the United States and caused the Great Depression that also affected Europe, leaving many peple without jobs. Many companies and Banks went bankrupt.