The correct answer is B) major inflation and debt.
An economic impact immediately following WW1 in Europe was a major inflation and debt.
After World War 1, the economy of European countries was bad. Europeans nations that participated in the war had major inflation and were in heavy debt. The war modified the economic power that the world had before the war. European countries were very rich but things changed after WW1 hostilities. Countries like Germany that were defeated had to repair all the damaged caused. Europe was in debt and the United States became a powerful nation that loaned millions of dollars to European countries.