If Charles Martel lost, would we see Islam become Europe's dominant religion due to the Muslims pouring into Europe? Would the Caliphate stop at France, or go into Britain, Italy, the Low Countries or Germany? And if the Caliphate retains all this power, could we possibly see different Muslim factions colonize the New World at a later date? Cordoba would probably take the place of Spain, and would Christianity be confined into Europe, tolerated by the invaders, or quite possibly wiped out altogether?