Question

"Every Bill which shall have passed the House of Representatives and the Senate, shall, before it become a Law, be presented to the President of the United States: If he approve he shall sign it, but if not he shall return it, with his Objections to that House in which it shall have originated..."—U.S. Constitution

This quote directly reflects the principle of

federalism
democracy
popular sovereignty
checks and balances

Answer 1

Checks and balance

Step-by-step explanation:

The president checked what Congress did, he didn't like it, or it's unconstitutional, he veto's the bill which creates a wealthy balance, between the 3 branches of Government.

Answer 2

just wait to pass the bill