His later discovery of the New World brought prosperity to the Madeiran  the island's strategic location on the great East-West trading route meant that ships anchored and took on food, water, and the valuable trading commodity of Madeira wine.
Soon the main trade good became olive oil.
mnli hypothesis: Soon the main trade good became olive oil. premise: His later discovery of the New World brought prosperity to the Madeiran  the island's strategic location on the great East-West trading route meant that ships anchored and took on food, water, and the valuable trading commodity of Madeira wine.