What states accuratly describe portaguls claim too brazil

The explorer who claimed Brazil was able to do so b/c Brazil lays east of the line of Demarcation drawn at the Treaty of Tordesillas. a map of South America shows the 1494 line of Demarcation explains why the ppl of Brazil speak a different language from most of the ppl living in the rest of South America. (if it is multiple choice then split the answer in half. it will be both answers