Under Article I, Section 8 of the Constitution, Congress has the power "to make 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 any Department or Officer thereof".
He was a typical explorer. He would explore for three main reasons mother countries explored, gold, god and glory. To find wealth in spices and precious metals, to spread his catholic religion, and to find glory in his adventures.
