Federalism vs. Unitary State: The Founders' Forgotten Architecture of Liberty

Let me ask you a question that cuts straight to the bone of American self-government: Why did the Founders build a federal republic instead of a unitary nation-state? Most Americans cannot give you a coherent answer. That is not a small problem. It is the reason our constitutional order is being hollowed out from within, replaced by something the Founders explicitly rejected - a centralized, one-size-fits-all administrative state that treats the states as administrative subunits rather than sovereign partners.

The unique angle I want to explore is this: Federalism is not just a structural preference or a compromise between large and small states. It is the Constitution's first, most fundamental defense against the knowledge problem that Friedrich Hayek identified - the impossibility of any central authority possessing the dispersed information needed to govern a diverse nation wisely. And the unitary system we are drifting toward is a hidden road to serfdom, paved with good intentions.

What the Founders Actually Built

When James Madison wrote in Federalist No. 10 that a well-constructed Union would break and control the violence of faction, he was not imagining a centralized European state. He was describing a compound republic - one where sovereignty is divided between the national government and the states, and then further divided among three branches. The purpose was not efficiency. The purpose was freedom.

The unitary system - where sovereignty rests entirely in a single central government that can delegate and retract authority to local subunits at will - was the model of the Old World. France under the Bourbons. Britain's Parliament, which could theoretically abolish local governments with a stroke. That model centralizes not just power but knowledge.

Here is where Hayek's 1945 essay "The Use of Knowledge in Society" becomes constitutional doctrine: No central planner - and no central government - can possess the dispersed, local, time-sensitive knowledge required to govern a vast and diverse nation wisely. The price system works through markets because it aggregates countless individual bits of information. Federalism works the same way in governance - states compete, experiment, and learn from each other, generating the knowledge that a single centralized authority could never produce.

Thomas Sowell put it more bluntly in his book A Conflict of Visions: the unconstrained vision believes that a sufficiently wise elite can manage society from the top down. The constrained vision - the American one - understands that human knowledge is limited, fallible, and tethered to local circumstances. Federalism is the institutional embodiment of the constrained vision.

What a Unitary System Actually Does

In a unitary system - think France, Japan, or the United Kingdom - the central parliament is sovereign. It creates local governments, defines their powers, and can abolish them. There is no constitutional guarantee of local autonomy. Decisions about schools, zoning, policing, and health policy are ultimately made in Paris, Tokyo, or London.

Now look at the results. France has one of the most centralized education systems in the Western world - and some of the lowest educational mobility. The UK's National Health Service is a classic case of top-down rationing where bureaucratic indifference to local needs is baked into the structure. Japan's prefectures have little independent fiscal authority and struggle to innovate because Tokyo holds the purse strings.

But the deeper problem is philosophical. A unitary system implicitly assumes that one-size-fits-all is not only possible but desirable. It assumes that the knowledge needed to govern a diverse nation can be gathered in one capital and applied uniformly. It assumes - contra Hayek, contra Sowell, contra the entire American founding - that central planners are competent enough to override local preferences and local knowledge.

The Quiet Unitarization of America

Here is the uncomfortable truth: The United States is becoming a unitary system by stealth. We still have fifty states. We still have a Tenth Amendment. But the federal government has hollowed out both through three mechanisms.

First, conditional grants-in-aid. The federal government offers states money for highways, education, and healthcare - but only if they comply with federal mandates. States take the money because their voters want the services, and the strings accumulate. The legal doctrine is that states voluntarily accept the conditions. But when the federal share of a state's budget hits 30 or 40 percent, that is not voluntary. That is a bribe dressed up as a partnership. The highway funding from the 1950s onward forced states to raise their drinking age to twenty-one - an area the Constitution never assigned to Washington.

Second, preemption. Federal law increasingly overrides state law in areas where the Constitution gives the federal government no authority. The Clean Air Act, No Child Left Behind, the Affordable Care Act - each one chipped away at state sovereignty. The result: even when states want to experiment with different approaches, they find their hands tied. Colorado tried to set lower greenhouse gas emissions? Preempted. California tried to set higher fuel economy standards? The EPA must grant a waiver. The states become petitioners for permission from Washington.

Third, judicial activism. The Supreme Court has expanded federal power through the Commerce Clause and the Spending Clause far beyond anything the Founders contemplated. Wickard v. Filburn in 1942, which allowed Congress to regulate a farmer's personal wheat crop because it affected interstate commerce, effectively ended any meaningful limit on federal commerce power. Justice Scalia spent decades trying to restore constitutional limits - and succeeded in United States v. Lopez in 1995 and Printz v. United States in 1997, which struck down federal commandeering of state officers. But the overall trajectory is unmistakable: the Court has largely abandoned the enumerated-powers framework. Congress can now regulate virtually anything under the Commerce Clause, the Necessary and Proper Clause, or the Spending Clause.

The cumulative effect is de facto unitarization. States still have flags and governors, but the most consequential decisions - about education standards, healthcare coverage, environmental rules, COVID lockdowns, election administration - are made in Washington. The diversity of local solutions that federalism was supposed to protect has been replaced by a one-size-fits-all regulatory state that pleases almost nobody.

Why This Matters for Liberty

Let me be direct: A unitary state is incompatible with individual liberty over the long run. Why? Because power concentrated is power abused. The Founders knew this. John Adams said power tends to corrupt. A unitary system removes the structural checks that federalism provides. If the central government becomes tyrannical - and any government with unchecked power eventually will - where do you flee? To the states? They have no independent authority to protect you. The federal government can preempt their laws, withdraw their funding, or simply order them to comply.

Consider the Second Amendment debate. In a truly federalist system, states with different cultures would have different gun laws - and the federal government would have no power to impose a national standard on states that do not want it. The Founders intended that. But once you accept a federal police power over firearms through the Commerce Clause, you have accepted unitary logic. The same logic applies to abortion, education, marriage, and virtually every other area of life that progressives want to nationalize.

Hayek warned in The Road to Serfdom that central planning inevitably leads to loss of political freedom. The same is true of central governance. When every important decision is made in Washington, the citizen becomes a supplicant, not a self-governing participant. The energy, innovation, and accountability that come from local control evaporate.

What Real Federalism Looks Like

Real federalism means that states are sovereign within their spheres. It means the federal government has enumerated powers only - and that the presumption of liberty rests with the states and the people. It means states can set their own education policies without federal mandates on testing, curriculum, or teacher qualifications. It means states can design their own healthcare systems without federal one-size-fits-all rules about coverage mandates or price controls. It means states can experiment with welfare reform, criminal justice reform, and economic regulation - and citizens can vote with their feet by moving to states that match their values.

That is what the Constitution created. That is what the Tenth Amendment explicitly reserves: The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people.

The Human Stakes

At the end of the day, this is not an abstract debate about constitutional theory. It is about whether you and your neighbors get to make decisions about your own communities - or whether a distant bureaucrat who has never visited your county makes them for you.

The drift toward unitarization has been accelerating for a century. It is supported by both parties: Republicans love federal power when they hold the White House, and Democrats love federal power when they do not. But the principle is the same either way. A unitary state is a unitary state regardless of who sits in the Oval Office.

A return to genuine federalism would mean repealing unfunded federal mandates. It would mean restoring the Tenth Amendment as a real limit on federal power. It would mean appointing judges who take originalism seriously and enforce the enumeration of powers. And it would mean cultivating a culture that values local self-government over national uniformity. That last one is the hardest. Because federalism requires trust - trust that your neighbor in the next state might do things differently, and that that is okay. It requires the humility to admit that you do not know what is best for everyone else.

But that humility is precisely what the Founders built into our constitutional order. And it is precisely what a unitary system rejects.

We are at a fork in the road. One path leads to ever more centralized control, ever less room for local variation, ever greater concentration of power in Washington. The other path leads back to the Constitution as written - a government of limited, enumerated powers, where the states serve as laboratories of democracy and bulwarks of liberty. The choice is ours. But we have to see the fork first. And right now, most Americans do not even know there is a choice - because we have been drifting down the unitary road for so long that we have forgotten what federalism feels like.

That is the forgotten architecture of liberty. And it is time to rebuild it. For further reading, I recommend Hayek's The Use of Knowledge in Society, Sowell's Knowledge and Decisions, and above all Federalist No. 10 and No. 51. The Founders did not just write a document. They built a system for freedom. We should honor it by understanding it.