The depression of 1920-1921 showed a sharp increase of which of the following?
1. unemployment rate
2. foreign imports
3. national debt
4. tariff rates

What was unification difficult to accomplish in both germany and italy? a.) weaker states we’re attacked by stronger states for control of the emerging nations. b.) major european powers fought to keep independent states under their control. c.) germans and italians did not share common histories and languages.