18/20 In the second place, it proved that South America is a great continent, and that there is no short southwest passage to India. Search for a Northwest Passage; our North Atlantic Coast explored.%--All eyes, therefore, turned northward; the quest for a northwest passage began, and in that quest the Atlantic coast of the United States was examined most thoroughly. Towards the close of the fifteenth century the Turks cut off the old route of trade between Asia and Europe. In attempting to find a new way to Asia, the Portuguese then began to explore the west coast of Africa. |