The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
The three effects of the voyages of Pedro Alvares Cabral were the following.
First, he led the expedition that discovered Brazil in April 1500. Second, this allowed the Portuguese to colonize this new and huge territory. Third, he explored new maritime routes to India, navigating through Cape of Good Hope, in Africa.
Pedro Alvares Cabral (1467-1520), was a Portuguese sailor and explorer that led his expedition to South American with 13 ships and a numerous crew of approximately 1100 to 1200 men.
