Many countries in Europe struggled with ______ problems after World War I. This was one of the most important long-term causes of World War II. a. medical b. educational c. immigration d. economic Please select the best answer from the choices providedMany countries in Europe struggled with ______ problems after World War I. This was one of the most important long-term causes of World War II. a. medical b. educational c. immigration d. economic Please select the best answer from the choices provided