On September 17, 1787, 39 men signed a document we celebrate as the world's most successful and enduring political charter. In our nation's 250th year, it is worth remembering that the Constitution is not only a charter of limited government and ordered liberty; it is also the greatest business charter ever written. No governing charter has done more to create the conditions in which enterprise can flourish: stable laws, secure property, enforceable contracts, free exchange, individual liberty, and protection from arbitrary power. 

The men who gathered in Philadelphia knew commerce under the “old system.” They lived as colonists in a mercantilist empire where the right to trade was a favor dispensed by the Crown, where charters went to the well-connected, and where a merchant's property and contracts were secure only so long as he stayed in the government's good graces. When they wrote a new charter, they were determined that American commerce would rest on a solid foundation of law, not on the shifting sands of political favor.  

Consider what they built. The Commerce Clause, with related provisions, created a continental free-trade zone. The Constitution transformed 13 competing states into a vast common market. It gave Congress authority over interstate commerce and stripped the states of much of their power to erect protectionist barriers against one another. A merchant would no longer have to navigate 13 commercial regimes designed to favor local interests. Over time, that architecture helped knit 50 states into a single national economy. 

The Contract Clause did something equally consequential: it placed the sanctity of agreements beyond ordinary political whim. States could not impair contractual obligations when doing so became politically convenient.  In  Dartmouth College v. Woodward (1819), the Supreme Court held that a corporate charter is a contract the government cannot unilaterally rewrite, making the American corporation a secure and durable institution. The handshake deal, the warranty honored, the debt repaid: these are not merely good habits. They are habits our fundamental law was written to protect. A free economy still depends on something law alone cannot manufacture: people who keep their word. 

The Fifth Amendment secured property against arbitrary taking by governments, giving builders and investors the confidence to plant seeds of capital today in anticipation of harvests decades away. The Patent and Copyright Clause turned the inventor's........

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