Answer:
Brazil
Step-by-step explanation:
Brazil had an estimated over five million imported slaves which started between the sixteenth century (1530) to the nineteenth century (1888).
The importation was conducted by the Portuguese who are colonial masters of Brazil. They used Portuguese as their official language.
The United States and Jamaica use English as their official language while Cuba uses Spanish as her official language.
Hence the correct and, in this case, the case is BRAZIL.