The main cause for Columbouses' journey was to find a direct water route west from Europe to Asia. Short-Term Effects:

1. A significant portion of the unknown world was mapped during the age of discovery.

2. Many advances were made in navigation and mapping, which helped future explorers and travelers.

Long-Term Effects:

1. The explorer Christopher Columbus found the Americas.

2. The trips he made encouraged future travelers to try and find a water routes for a long time.

Now, write a short letter to the people of the island based on your outline above. Explain who visited the island, the cause of his visit, and his actions upon arrival. Also explain what the visitor wants from them now. You can decide whether to inform the native people about events in the distant future.