The number of representatives a state gets is based on the population number in that state
A- He reunited the Franks to fight to fight off Muslim Invasion.
He won a decisive battle against the Muslim invasion during the Battle of Tours after which they never attacked France again and stayed in Spain.
Generally speaking, imperialism needed "land" and "trade" in order to work, since the land was necessary to harvest new crops and/or raw materials, while trade was needed to sell those goods for profit.
