How did the dutch gain control of manhattan island

The Purchase of Manhattan Island, 1626. This letter from Peter Schaghen, written in 1626, makes the earliest known reference to the company's purchase of Manhattan Island from the Lenape Indians for 60 guilders. Schaghen was the liaison between the Dutch government and the Dutch West India Company

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.

norsemen from northern countries had made earlier journeys