Which european nation sponsored columbus's expedition in 1492?

After many pleads before, Columbus finally got permission from King Ferdinand of SPAIN to explore as long as he would bring back what he had found (mainly just treasure)

The name draws an analogy between efforts to eradicate the production of illegal drugs in South American countries and the phenomenon of the same name when a latex balloon is squeezed: The air is moved, but does not disappear, instead moving into another area of less resistance.