. "The Portuguese Empire was one of the earliest overseas empires. Hemmed in territorially on all sides by territories controlled by Castile, Portugal had nowhere to expand besides seawards. This resulted in the first and largest colonial empire of the 16th century."@en . . "Portuguese Empire (Cabotia and Brasil)"@en . . . . . . "The Portuguese Empire was one of the earliest overseas empires. Hemmed in territorially on all sides by territories controlled by Castile, Portugal had nowhere to expand besides seawards. This resulted in the first and largest colonial empire of the 16th century."@en . .