Federalism has been obliterated over the decades by the relentless march of consolidation. But it still exists, as we have seen with coronavirus policies.
For Further Reading
Tyranny Unmasked: John Taylor’s Warning About Consolidation
Centralization Is the Problem, Not the Solution
The Destruction of Our Liberties
Should We Interpret the Constitution so the Feds Can Oversee Everything Affecting More Than One State?