The Twelve Tables were an ancient set of laws created by the Romans, and were the first written set of laws enforced by the Roman Empire. They inspired future law makers to be strict and unforgiving.
Once the delegates determined the Three-Fifths Compromise, they went on to determine the presidential process--as in who could be elected, how the election would work, etc.
They wanted high factory wages. So the answer is A
They perform the most essential tasks