Spain and Portugal, during the Age of Exploration, clashed over the control of various colonial territories in the Americas, Africa, and Asia. Both nations claimed exclusive rights to these territories, leading to disputes and conflicts.
Treaty of Tordesillas:
In an effort to resolve these conflicts, the Treaty of Tordesillas was signed in 1494, dividing the world into two spheres of influence along a north-south meridian. Lands to the west of the meridian were granted to Spain, while lands to the east were granted to Portugal. However, the treaty's vague terms and the imprecise measurement of longitudes led to further disagreements and disputes.
Competition in the New World:
In the Americas, Spain and Portugal competed for control of territories in Central and South America, particularly in present-day Brazil, Argentina, and Uruguay. Both nations established settlements and claimed vast areas, leading to conflicts over boundaries and resources.
Rivalry in Asia:
In Asia, Spain and Portugal vied for control of the lucrative spice trade, particularly in the Indian Ocean and the Indonesian Archipelago. They established rival trading posts and engaged in conflicts with local rulers and each other to secure their interests and monopolize trade routes.
Economic Competition:
The economic rivalry between Spain and Portugal extended beyond colonial territories. Both nations sought to dominate trade routes, accumulate wealth, and establish themselves as major maritime powers. They competed for access to markets, resources, and sources of precious metals, leading to tensions and conflicts.
Religious and Political Rivalries:
Spain and Portugal also had political and religious differences. Spain was predominantly Catholic, while Portugal had a significant Jewish and Protestant population. These religious divisions, coupled with political rivalries, further strained relations between the two countries.
Border Disputes in Europe:
There were also territorial disputes between Spain and Portugal in Europe itself, particularly in the Iberian Peninsula. The exact delineation of their shared border was a source of conflict and occasional skirmishes.
Conflicts Over Succession:
Succession crises and disputed claims to the throne occasionally led to conflicts between Spain and Portugal. In 1580, Spain briefly annexed Portugal after a succession crisis, leading to a period of tension and conflict between the two nations.
Declining Power:
As the power and influence of Spain and Portugal declined in the late 17th and 18th centuries, their conflicts and rivalries gradually subsided, and they established more cooperative and diplomatic relations.