Why did Florence Venice, and Genoa start the Renaissance?

According to the map, most mining occurs in the. part of the state

In what way did expansion and global trade during the 15th to 18th centuries affect the economies of european countries

Which factor most contributed to the united states' decision to enter world war i? a) germany attacking merchant ships that carried american civilians. b) the allied powers victory in the battle of the somme c) the ottoman empire beginning a campaign of genocide against the armenian people d) mexico launching attacks on u. s. territory with the of germany