What was a major effect of the competition between Spain and Portugal in maritime exploration?

• A. The establishment of trade monopolies by each country
• B. The Treaty of Tordesillas
• C. Increased warfare in Europe
• D. The decline of indigenous populations

Answer: (B)

The Treaty of Tordesillas was a significant outcome of the intense competition between Spain and Portugal in maritime exploration during the late 15th century. This treaty, brokered in 1494, aimed to resolve disputes over newly discovered territories and aimed to establish a clear line of demarcation between Spanish and Portuguese claims in the New World. The treaty allowed Spain to explore most of the Americas, while Portugal was granted rights over Africa and parts of Asia, particularly Brazil, which was located east of the demarcation line.

The competition for dominance in overseas territories was fierce, as both nations sought to expand their empires and secure lucrative trade routes. The treaty helped to mitigate potential conflict by officially recognizing the spheres of influence of each nation, which is why it stands out as a major effect of their rivalry. It not only shaped the course of colonial expansion but also had lasting implications for the geopolitical landscape of the Americas and beyond.

While the other options reflect real historical phenomena, they are more indirect results of the competition rather than a direct effect like the treaty itself. Trade monopolies did arise, but they were part of the broader context rather than a single major effect. Increased warfare in Europe was certainly present during this period but is more connected to