sentences:  Owing to the island's isolation and difficulties in communication his crops became difficult to export and van der Haegen left Flores in the late 1480s.By 1504 the island's charter passed to João Fonseca and settlers streamed through the port of Armoeira to the small hamlets.The island became permanently populated during the reign of King Manuel I, in the year 1510, by people from various regions of continental Portugal, but mainly from the northern provinces.