"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

Checks and balance

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.

the american rail road was the most influential and useful transportation system developed in the 1800's with steam locomotives and in the very late 1800's and early 1900's diesel electric locomotives being used to transport goods and people around the newly expanded united states!

explanation:

the muslim keep their culture pure by finding new value