which group conquered the balkans in the 1500s but allowed eastern european christians to continue parcting their religion

Why did jefferson make the louisiana purchase?

List a few examples of city-states that practiced oligarchy in ancient greece

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.