Because one of his crewmen told him to believe it or not!
He did not want Columbus to sail west
He sailed west...
West.
No, he went south and then he went west.
The West Indies.
Columbus made 4 voyages to the new world.
Columbus chose to sail west instead of east because he believed he could reach Asia by sailing across the Atlantic Ocean, which he thought would be a faster and more direct route than traveling eastward around Africa.
To gain fortune and fame
Spain
The enterprise of the indies was Columbus's plan to sail West and end Up East
he planed to sail west from euro to get to the far east
Columbus wanted to sail west around the world to reach the Indies.