What is the best tittle for this billeted list?

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.

Brainliesttt !me : ) describe the responses to terrorism in the united states.

What factor aided the russians in defeating napoleon's troops?