Along with John Jay and Alexander Hamilton, James Madison panned. The Federalist Papers. The supporters of the proposed Constitution called themselves "Federalists." Their adopted name implied a commitment to a loose, decentralized system of government.
Because if no one could reason no one could make the invention we have today
I believe the answer is: Millitary engineer
The main reason why duke of Milan employed Leonardo is that the duke want him to design a military weapon that the government of Milan can use to improve their defense artillery. As an artist, the duke ask Leonardo to paint the design on the largest churches in his territory.
Answer:
Dams are mostly constructed using rocks, sediment retention fiber rolls, stones, sand and gravel bags. Once a check dam is properly installed, it reduces the velocity of runoff, prevents erosion and ensures sedimentation.
hope this helps and good luck