Complex sentence: In 1505, a ship sent by Francisco de Almeida was shipwrecked south of the town, but the Portuguese gained an initial meeting with the Karanga chiefs and later their sons landed on Mozambique Island to survey the situation.
Split into simpler sentences: In 1505, a ship sent by Francisco de Almeida was shipwrecked south of the town, but the Portuguese eventually gained an initial meeting with the Karanga chiefs. Later, their sons landed on Mozambique Island to survey the situation.