These are enumerated at Article I Section 9 of the U S Constitution.

Clause 2 of Article VI of the U. S. Constitution is known as the Supremacy Clause because it declares the U. S. Constitution, all federal laws made pursuant to the U. S. Constitution and all treaties made under the authority of the U. S. Constitution to be the supreme law of the United States, outweighing any state law or state constitution.

U. S. Constitution, Article II, Section 3, Clause 5

The parts of the U. S. Constitution that have to do with the election of the president are Article 2, Section 1, Clauses 2 through 5 and the 12th and 22nd Amendments.

There are 2 Senators per state as described in Article 1 Section 3 of the Constitution.