Many of the native American tribes who were already in the Americas were overthrown by the Europeans such as the aztects being overthrown by Spanish conquistadors.
The treaty allowed the European explorers to discover new lands and to trade more freely without the confusion of another nation. The Europeans were free to explore as they wished and they discovered...
The effect of the treaty was that it gave Spain the right to settle, live and trade west of the line, and it gave Portugal the ability to settle, live and trade east of the line.
diseases given to Native Americans land stolen from Native Americans settlement of the North/ South America by colonization creation of the United States foods brought back to Europe ( potatoes,...