
Essay Read by Constituting America Founder, Actress Janine Turner
How can a government keep one of the greatest secrets in history while still claiming to govern by the consent of the people? That question lies at the heart of the Manhattan Project, the secret wartime effort in which hundreds of thousands of Americans worked to build an atomic weapon before Nazi Germany or Imperial Japan. Warned by physicist Albert Einstein that Germany might be pursuing such a weapon, the federal government launched one of the largest and most secret undertakings in American history. Yet it did so as a nation founded on the principle proclaimed in the Declaration of Independence that governments derive ‘their just powers from the consent of the governed.’ The Manhattan Project demonstrates that in a constitutional republic, popular consent does not require every governmental action to be publicly known as it occurs.
The Framers never intended to create a direct democracy in which every decision would be submitted to a vote of the people. Instead, they established a representative republic. In Federalist No. 39, James Madison explained that a republic is a government that ‘derives all its powers directly or indirectly from the great body of the people.’ The Constitution entrusted elected representatives with the responsibility to make difficult decisions on behalf of the nation while remaining accountable through elections, separated powers, and the rule of law. Alexander Hamilton likewise argued in Federalist No. 70 that an energetic executive is essential to protecting the nation, particularly during times of crisis. That energy, Hamilton observed, often depended on secrecy and dispatch, qualities a numerous assembly like Congress could not supply, but a single, unified executive could.
Those constitutional principles guided the Manhattan Project. After the attack on Pearl Harbor, Congress exercised its constitutional authority to declare war and to appropriate the resources necessary for the nation’s defence including the Manhattan Project. Congress concealed appropriations that few in could fully trace, yet the money still enacted through the constitutional power of the purse. President Roosevelt, acting as Commander in Chief, directed the executive branch’s wartime efforts, and the United States Army Corps of Engineers managed the project under civilian leadership. Although the American people did not know its details, the project’s authority rested upon constitutional institutions created by and accountable to the people.
This distinction is the key to understanding popular consent, which differs from popular participation. Citizens do not vote on every military plan, diplomatic negotiation, or intelligence operation. Instead, they consent to a constitutional system that authorises elected leaders to act within carefully defined limits. The people also retain the power to ratify or repudiate those decisions afterwards through elections and oversight. The legitimacy of a secret wartime action therefore depends not upon complete public knowledge at every moment, but upon constitutional authority, accountability, and the continuing consent of the governed.
The Manhattan Project also revealed the extraordinary capacity of a free people working together. More than 125,000 Americans contributed to the effort. Entire communities arose almost overnight at Oak Ridge, Tennessee; Hanford, Washington; and Los Alamos, New Mexico. Scientists, engineers, construction workers, machinists, soldiers, clerks, and countless others performed their work, often knowing only a small piece of the larger project. Their collective efforts reflected another enduring characteristic of republican government: free citizens voluntarily contributing their talents to advance the common good during a national emergency. Many would later reflect soberly on the weight of what they had helped create, a reminder that even legitimate authority carries profound moral responsibility.
When the war ended, the veil surrounding the Manhattan Project began to lift. Americans began a conversation that continues today about its scientific achievements, military significance, ethical questions, and historical consequences. Congress exercised oversight, historians examined newly released records, scientists reflected on their work, and citizens debated the decisions made by their leaders. That continuing dialogue demonstrates another strength of constitutional government. Temporary wartime secrecy did not eliminate accountability; it postponed it until the danger had passed.
The Manhattan Project is remembered for transforming science, warfare, and world history. It should also be remembered as a constitutional story–one that illustrates how a free people, acting through the Constitution, entrusted extraordinary authority to representative institutions during an extraordinary crisis. The secrecy was temporary; the constitutional principles that made such an undertaking legitimate have endured for nearly two and a half centuries. The Declaration of Independence reminds us that governments derive “their just powers from the consent of the governed,” while the Constitution provides the framework through which that consent is exercised. Even one of the most closely guarded secrets in American history ultimately rested upon the enduring principle that, in the United States, all legitimate governmental authority begins with the people.
Daniel A. Cotter is Member at Aronberg Goldgehn. Dan focuses his practices in a variety of areas of corporate law and litigation, including insurance law, complex business disputes and counseling, employment law, corporate transactions, corporate governance and compliance, and cybersecurity and privacy law. Dan was an adjunct professor at UIC College of Law, fka, The John Marshall Law School, and has taught Insurance Law, Accounting for Lawyers and SCOTUS Judicial Biography. Dan graduated summa cum laude from UIC College of Law and received his B.A. in Accounting from Monmouth College, magna cum laude. Dan is a frequent writer and presenter on various topics, including the nation’s history and the Supreme Court, and in 2019, his book, “The Chief Justices,” was published.”
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Dan Cotter is Attorney and Counselor at Howard & Howard Attorneys PLLC. He is the author of The Chief Justices, (published April 2019, Twelve Tables Press). He is also a past president of The Chicago Bar Association. The article contains his opinions and is not to be attributed to anyone else.
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