Christopher Columbus

Just the facts jack! CHRISTOPHER COLUMBUS SAILED THE OCEAN BLUE ........ Rise of Islam and the Mongol Invasion Since the rise of Islam, this trade route had become problematic for the Europeans. Europeans didn't want to trade with the Muslims and tried their best to avoid them. However, there were not many alternatives. In parallel, Europe went into the medieval period with a drop in trade in the Mediterranean and the power centers migrated away from the Mediterranean.