1. Who used his royal position to encourage explorers?

Enabled sailors

Explanation:

Enabled sailors to determine their direction and position at sea. ... -Played a leading role in Portuguese exploration ... -Named viceroy over any territory he might discover and one-tenth of the material ... -Used to strengthen royal authority ... the administration, and improved roads and canals in an effort to encourage trade.

not too sure on this one thinking tyo organize the division of africa

barrio is a spanish word meaning neighborhood. in spain, several latin american countries and the philippines, the term is also used officially to denote a division of a municipality while a ghetto is a part of a city in which members of a minority group live, typically as a result of social, legal, or economic pressure. the term may have originally been used in venice to describe the part of the city to which jews were restricted and segregated.