it has to do with nothing.
Duel system (which is federalism) of government would inheritable lead to conflicts between national government and states governments. Framers anticipated this and provided the Supremacy Clause with its "ladder of laws". A system of prioritization of authority that can be applied whenever these conflicts occur.
what is the purpose of the supremacy claue in the constitution
congressional supremacy in the area of commerce
Article VI of the U.S. Constitution addresses national supremacy.
The Constitution's preservation of state governments is accomplished through Federalism.
dual
The entire constitution has Federalist ideas and concepts.
The Supremacy Clause can be found in Article Six of the Constitution. It is located under Clause 2 and says that the Constitution is the supreme law of the United States.
federalism
The US Constitution - 1987 Federalism 1-2 was released on: USA: 1987
The word Federalism does not appear even once in the Constitution. At the time, the founding fathers essentially created a unique type of government and so it is not mentioned anywhere in the Constitution.
The Supremacy Clause is in Aricle VI of the US Constitution.