What was the conflict in the 1490s between Portugal and Spain, and how was it settled?

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The Answer is Answer would ideally include the following. Portuguese and Spanish interests began to clash in the 1490s because both Portugal and Spain were engaged in extensive overseas exploration. After the voyages of Columbus, Pope Alexander VI mediated the Treaty of Tordesillas of 1494, a pact that divided the Atlantic world along an imaginary demarcation line; everything east of that line-most important, the West African coast and the route to India-was reserved for Portugal, while all lands and oceans to the west of the line were assigned to Spain. Brazil was still unknown to Europeans at that time, and Portugal went on to claim it in 1500.

What Was the Conflict in the 1490s Between Portugal and Spain