what if Leaf Ericson was able to establish successful trade with the native Canadians in ad 1000, and his actions led to the Vikings eventually trading with the Mayans, Incas, Aztecs, and Plains Indians, as they did in Eastern Europe. the first three being much more civilized at the time than Medaeval Europe. how would this early transfer of civilizations affected the European Age of Colonization, and future world events?