Final answer:
The Supremacy Clause in Article VI of the Constitution deems national laws and treaties superior to state laws.
Step-by-step explanation:
The concept that the Constitution deems national laws and treaties superior to the laws adopted by states is known as the Supremacy Clause. This clause is found in Article VI of the Constitution. It establishes that the Constitution, laws passed by Congress, and treaties made by the federal government are the supreme law of the land.
In the event of a conflict between a federal law and a state law, the federal law would prevail. This was affirmed in the Supreme Court case of McCulloch v. Maryland in 1819, where the Court used the Supremacy Clause to rule that state law could not tax a national institution.