How did the federalists secure support for the new constitution?

a) they explained why it was necessary to keep the states subservient to the federal government.
b) they explained how equal voting rights for small states in the senate would protect them from domination by large states.
c) they explained how multiple factions in a large republic would restrain the federal government from autocratic rule.
d) they explained how the constitution provided checks and balances on the president’s powers.
e) they explained how the creation of a federal judiciary would improve inter- state trade