Why did italian cities benefit from the crusades?

How did world war i contribute to the events leading up to world war ii? (a)germans wanted to expand their nation to regain territory in the soviet union. (b)britain and france wanted to force germany to make reparation payments. (c)germans hated the versailles treaty and supported hitler's actions to defy it. (d)the soviet union wanted to take over german territory in eastern europe.

Toward the end of the roman empire, what caused a decrease in the use of coined money tell me now

Does increased security engender feelings of increased safety or does it increase the fears that people have?