Why did Mercator want to turn his globe into a flat map

In 1569, Mercator developed a better, more accurate projection.His new map was a revelation, because the projection kept the latitude and longitude lines at consistent 90 degree angles. These clean angles made it easier for sailors to plot their course without constantly adjusting for mapping mistakes.

Explanation:

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.

answer; i believe that the correct answer is (chronological order);