Early Modern Europe -How Was the Conflict Between Spain and Portugal Regarding Their

Early Modern Europe
-How was the conflict between Spain and Portugal regarding their land claims in the Americas resolved?

A) Pope Alexander VI issued a papal bull setting coordinates that awarded a portion of the New World to Spain, then the monarchs negotiated a treaty to settle the dispute for good.
B) Spanish and Portuguese sailors fought several battles on the South American coast, then the monarchs settled the dispute through a peace treaty.
C) Christopher Columbus and Amerigo Vespucci negotiated a treaty to determine which navigator was allowed to explore each known region.
D) The issue was resolved naturally when Portugal refocused its exploration on eastward trade routes after Vasco de Gama sailed around the southern tip of Africa.
E) Spain and Portugal fought several battles in Europe, then the monarchs settled the dispute through a peace treaty.