Nixon argued that the War Powers Resolution unconstitutionally restricted his authority

The War Powers Act of 1973 was passed over Nixon's veto to limit the president's ability to wage war unilaterally

Passed in the aftermath of the Vietnam War, the War Powers Resolution requires the president to notify Congress within 48 hours of deploying forces and to end military operations within 60 days without congressional approval. Nixon vetoed the bill, arguing it was unconstitutional, but Congress overrode his veto.

Congress has unsuccessfully voted on war powers resolutions over Trump's military operations in Venezuela and Iran

After Trump ordered unilateral military operations in both Venezuela and Iran without congressional authorization, lawmakers from both parties introduced war powers resolutions to block further action. Each effort failed, with Republican majorities largely supporting the president.

Presidents from both parties have resisted the authority of the War Powers Act

Presidents from both parties have treated the War Powers Resolution as voluntary, framing compliance as seeking "support" rather than "permission." Courts have declined to rule on the law's constitutionality each time a related case was brought before them.

The War Powers Act may have ironically given presidents more discretion to engage in hostilities, not less

In this wide-ranging podcast on Congress's power to declare war, scholar Gary Schmitt argues that the War Powers Act, ironically, gave presidents a legal framework for initiating hostilities, creating a 60-day window for unilateral action that hadn't existed before.

The Nixon administration tried and failed to stop the press from publishing the Pentagon Papers

In 1971, the Supreme Court ruled against the government's attempt to block The New York Times and The Washington Post from publishing classified documents on the Vietnam War, delivering a landmark victory for press freedom.

In his 1859 annual message to Congress, President Buchanan articulated a narrow view of presidential military authority

Buchanan argued that the president lacked constitutional authority to launch offensive military action without congressional approval, a view that reflected the prevailing interpretation of executive war powers throughout much of the nineteenth century.

A legal scholar argues that the existing war powers framework may collapse in the event of a major power conflict

The legal tests presidents have used to avoid seeking congressional authorization were designed for weaker adversaries. This piece argues that those tests fail against similarly armed competitors, where even limited strikes risk significant escalation, potentially triggering a constitutional crisis over who has the authority to respond.

Presidents can veto laws—and Congress can override them

A president may veto legislation passed by Congress, but a two-thirds vote in both the House and Senate can override it. For most presidents, only a small share of their vetoes have been successfully overturned.

The first test of America's war powers came just a decade after the Constitution was ratified

During the undeclared Quasi-War with France in 1800, the Supreme Court ruled in Bas v. Tingy that Congress had authorized a valid "imperfect war" through statutes alone, without a formal declaration, establishing that there is a legal spectrum between peace and declared war.

In the 1930s, Congress nearly passed a constitutional amendment requiring a national vote before declaring war

The Ludlow Amendment, proposed amid rising isolationism after World War I, would have required a national referendum before Congress could declare war, except in cases of direct attack. It was defeated 209 to 188 in 1938 after Roosevelt lobbied against it.

Nixon's landslide in the 1972 presidential election

Despite the Watergate break-in becoming public in June 1972, voters largely shrugged it off. On Nov. 7, 1972, Richard Nixon still achieved a historic landslide—winning 520 out of 538 electoral votes, carrying 49 states—making it one of the largest Electoral College victories in US history.

The Constitution grants Congress more powers than the president

Article I outlines detailed congressional powers—taxation, spending, war declarations, and lawmaking—while Article II gives the president limited, broadly defined authority. This design reflects the framers' intention to prevent executive overreach.

Youngstown Sheet & Tube Co. v. Sawyer established the framework courts use to evaluate presidential war powers

When Truman seized US steel mills during the Korean War, the Supreme Court ruled that he had overstepped his authority. Justice Jackson's concurring opinion held that presidential power is strongest when Congress authorizes action, uncertain when Congress is silent, and weakest when Congress explicitly refuses authorization.

The US never formally declared war in Vietnam

Instead of formally declaring war, Congress passed the Gulf of Tonkin Resolution in 1964, granting President Johnson broad authority to use military force. The resolution became the legal basis for escalating US involvement without an official declaration of war.

In the midst of the Civil War, Lincoln rapidly expanded presidential power

Abraham Lincoln suspended habeas corpus, expanded the army without congressional approval, and issued the Emancipation Proclamation—despite likely lacking authority to unilaterally alter national slave law. His actions set precedents for expanded presidential power in wartime.

Andrew Jackson reshaped the presidency and expanded executive authority

Andrew Jackson used the veto extensively, removed federal deposits from the national bank, and asserted the president's right to act independently of Congress—shifting the balance of power toward the executive branch.

See some of the most controversial pardons in presidential history

From Lincoln's selective commutations of Dakota men after an 1862 uprising, to Ford's pardon of Richard Nixon after Watergate, and Bill Clinton's final-day clemency decisions, pardons have long sparked fierce debate over justice, political favoritism, and presidential power.

The president has the sole authority to call for a nuclear strike

Under current US policy, the president alone can order the use of atomic weapons at any time without requiring prior approval from Congress—a power rooted in the president's role as commander in chief.

Nixon's 1971 decision to untether the dollar from gold ended the Bretton Woods exchange rate system

The Bretton Woods system initially pegged all major currencies to the US dollar, which could be exchanged for gold at a fixed rate of $35 per ounce. Growing deficits and decreasing gold reserves prompted Nixon to end that guarantee in 1971, marking the end of the fixed exchange rate era.

The 1956 Suez crisis was one of the earliest tests of the rules-based order

When Britain, France, and Israel secretly invaded Egypt, the Eisenhower administration supported UN resolutions condemning the invasion and called for a ceasefire—publicly criticizing its closest allies to uphold the principle that force should not be used to resolve international disputes.

Who won the Vietnam War?

Who won the Vietnam War? The question of who won the Vietnam War has been a subject of debate, and the answer depends on the definition of victory. This Encyclopædia Britannica article explains why this question hasn't been definitively answered despite the two halves of Vietnam now existing under one flag.

The Supreme Court blocked states from setting term limits for Congress

In US Term Limits v. Thornton (1995), the Supreme Court struck down state laws that tried to impose term limits on their congressional delegations. The court ruled such restrictions unconstitutional unless added through a federal amendment.

The 25th Amendment clarified presidential succession and disability after JFK's assassination

Ratified in 1967, the 25th Amendment established procedures for replacing a vice president and transferring power when a president is incapacitated. It was designed to prevent leadership crises like those exposed after President Kennedy's death.

Critics argued Hamilton prioritized central power over popular sovereignty

This podcast examines Hamilton's belief in expansive federal power and why he was repeatedly labeled a monarchist—tracing how his calls for a strong executive, his life-tenure proposals at the Constitutional Convention, and his admiration for British stability fueled accusations that he favored centralized power over republican rule.

How the Trump administration explained the firing of the NSF's National Science Board

The White House argued that the April 24, 2026, decision resulted from the 2021 US v. Arthrex Supreme Court ruling, which "set limits on the powers of executive branch officials who are not Senate-confirmed" and therefore conflicts with the law that created the NSB. As of May 2026, the administration has yet to explain its next steps for the advisory arm of the National Science Foundation, which has lost about a third of its staff since the start of 2025.

The US Constitution is widely regarded as the longest-standing written national constitution still in force—see how it has influenced rights worldwide.

Despite being favored by 87% of Americans, Congress does not have term limits.

The rivalry between Alexander Hamilton and Thomas Jefferson centered on federalism—the question of how much power the federal government should hold relative to the states.

The United States has had a tumultuous relationship with Cuba since its 1959 revolution, highlighted by a nuclear crisis and a decades-long trade embargo.

The story of Dollree Mapp, whose legal challenge over her 1957 conviction for possessing "obscene material" led to a major strengthening of the Fourth Amendment

Abraham Lincoln was almost assassinated weeks before his inauguration as he traveled from Illinois to DC through Baltimore in 1861; it took two independent claims for Lincoln to be convinced the threat was real

Famed poet TS Eliot rejected the manuscript for George Orwell's political fable 'Animal Farm,' writing that its criticism of authoritarianism was not 'the right point of view.'

Jimmy Carter signed a 1978 bill that legalized home brewing, a move credited with kick-starting the craft beer industry.

Gerrymandering works through two techniques: cracking opposing voters across districts to dilute their power, and packing them into a few to waste their votes in lopsided majorities.

Prince's sexually explicit 1984 track 'Darling Nikki' attracted the ire of the Parents Music Resource Center, an advocacy group that inspired the Parental Advisory sticker, even though the song ends with a Christian message.

Iran's Revolutionary Guard Corps is independent of Iran's regular army and is one of the most powerful and influential military-political organizations in the Middle East.

'Grand Canyon of the Yellowstone,' a work by American painter Thomas Moran, inspired Congress to establish Yellowstone National Park.

Sunflowers have long been a symbol of nuclear disarmament because they can extract large amounts of radioactive cesium from soil.

Many legends about George Washington, including his supposed wooden teeth and the story of cutting down the cherry tree, lack evidence.

Long before Major League Baseball began allowing instant replay for balls and strikes, an umpire reluctantly used the technology to determine whether a hit was a home run, a move that inadvertently ushered in a new era for the sport.

Pure water does not conduct electricity because this flow of energy requires the movement of charged particles, and water is a neutral molecule.

Frank Lloyd Wright's houses are historically hard to sell because they're old, subject to local landmark commissions, and often unfashionable

In 1984, Operation Smash Hit intentionally crashed a 239-ton train into a nuclear waste canister at 100 miles per hour to prove the canister's safety, which remained completely intact and lost just 0.29 of its 100 pounds of pressure.

Experimental hantavirus vaccines and therapies, still under development, have long been funded by the US military.

The Russia-Ukraine conflict is the largest ground war in Europe since World War II in terms of casualties, forces mobilized, and displacement of civilians.

Some renewable energy sources may weaken the resiliency of electric grids by removing outage buffers provided by coal- and natural gas-fired plants, which provide the system with more time to find a new power source if a plant goes down.

A Yale student wrote a profound essay about the consulting industry's influence on elite college students that was published in a book of her writing after she died in a post-graduation car accident.

Firework or sparkler burns, even if they cover a relatively small area of skin, can significantly affect our range of motion.

NBA superstar Victor Wembanyama spent the 2025 summer training with monks in central China to enhance his body and mind.