How did world war ll start?

Brainliestttme : ) what demographic changes occurred after world war ii?

What role did mazzini play in italian unification? a.) he dreamed of a united italy and took the first steps to achieving it. b.) he conquered the southern part of italy, including sicily. c.) he was the first leader of a united italy. d.) he was assassinated by the french government, making him a martyr.

How important was the erie canal in in connect, unify and expand the nation