Why was the spanish crown disappointed in christopher columbus?

Explanation:

So Columbus named the area “rich coast” or in Spanish Costa Rica. Thinking that it would be a rich jewel in Spain's Crown. But sadly, it turned out to be one of the poorest of Spain's colonies

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.

b, the anti immigrant fervor