When Portugal claimed Brazil, upon whose voyage there was this claim justified?

Question

Quizplus · Accepted Answer

When Portugal claimed Brazil, the claim was justified using a prior voyage their by the explorer Pedro Cabral.
Key Takeaway: The territory that is now known as Brazil was claimed by Portugal in April 1500, after the arrival of Pedro Cabral, who arrived with a large Portuguese fleet. Colonization began a few years later, in 1534, with the Portuguese assimilating, enslaving, or exterminating the natives. Not even 100 years later, Brazil was already exporting large cash crops, like sugar, and importing African slaves to keep up with increased demand of goods.

When Portugal Claimed Brazil, Upon Whose Voyage There Was This