The president can most effectively influence the congress by:

c. it required that townships set aside land for public schools.

answer; the period of time known as the middle ages;

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.

i think you may have asked this twice, but i answered one of the