The 14th Amendment aimed to guarantee citizenship for formerly enslaved people

The 14th Amendment established birthright citizenship and equal protection under law

Ratified in 1868, the 14th Amendment guaranteed citizenship to all people born in the United States and required states to provide equal protection—overturning the Dred Scott decision, which had declared that Black Americans could never be citizens or claim constitutional rights.

Birthright citizenship guarantees US citizenship to anyone born on US soil

Rooted in the 14th Amendment, birthright citizenship prevents the creation of a permanent noncitizen class by granting citizenship at birth, but it has become a focal point of modern political efforts to restrict immigration.

The Reconstruction Amendments aimed to rebuild the nation and secure freedom after slavery

Ratified between 1865 and 1870 after the conclusion of the war, the 13th, 14th, and 15th Amendments abolished slavery, guaranteed citizenship and equal protection, and extended voting rights to Black men—transforming the Constitution's definition of liberty and equality.

An 1873 Supreme Court case about slaughterhouses weakened parts of the 14th Amendment

In 1873, the Supreme Court's Slaughterhouse Cases ruled that the 14th Amendment's "privileges or immunities" clause protected only federal—not state—citizenship rights, greatly limiting the amendment's power to safeguard enslaved people from state discrimination.

The Dred Scott decision denied African Americans citizenship, upheld slavery, and marked the first use of judicial review since Marbury v. Madison

This page explores the case, providing information on Dred Scott and his case before the Supreme Court. Explore the implications of one of the most critical cases in the history of the court.

An 1898 Supreme Court case confirmed birthright citizenship for children of immigrants

In 1898, the Supreme Court ruled that the 14th Amendment guaranteed US citizenship to Wong Kim Ark, born in San Francisco to Chinese immigrants—establishing a lasting precedent for birthright citizenship regardless of parental status.

The 15th Amendment granted Black men the right to vote nationwide

Ratified in 1870, the 15th Amendment prohibited federal and state governments from denying the right to vote based on race, color, or previous condition of servitude—enfranchising millions of Black men.

Early American citizenship was defined inconsistently by individual states

The original US Constitution did not define national citizenship, leaving it to the states to apply their own rules. This led to inconsistent and often exclusionary standards across the country until after the Civil War.

The 13th Amendment's criminal exception enabled new forms of forced labor

Southern states exploited the amendment's clause allowing slavery "as punishment for crime" to arrest thousands of Black Americans on minor charges, leasing them to private employers through convict labor systems that persisted for decades.

The Nationality Act of 1790 restricted new citizenship to 'free white persons'

The first federal citizenship law limited naturalization to white immigrants, excluding enslaved people, Indigenous communities, and most non-Europeans.

Voting rights expanded from 6% of Americans in 1789 to nearly all adult citizens today

In the first US election, only white male property owners—about 6% of the population—could vote. Constitutional amendments culminating in the 26th Amendment gradually expanded voting rights to nearly all citizens aged 18 and older.

The Bill of Rights was designed to protect individuals from the power of the federal government

When the Bill of Rights was ratified in 1791, its protections applied only to the federal government. It wasn't until the 14th Amendment (1868) and the Supreme Court's doctrine of selective incorporation that most provisions were extended to state governments—a process that began in 1925.

The Ninth Amendment clarifies that people hold additional rights, not granted by the Constitution

The Founders worried that listing specific rights might imply that others didn't exist. The Ninth clarifies that unenumerated rights are retained by the people, making it one of the most philosophical and least litigated amendments.

The Constitution included compromises that still shape the US today

The creation of the Constitution necessitated numerous compromises to accommodate the diverse interests of the states. The significant compromises included resolutions on debates over representation in Congress and the status of enslaved individuals.

The Emancipation Proclamation shifted the purpose of the war for the Union

Issued on Jan. 1, 1863, the Emancipation Proclamation declared enslaved people in Confederate-held territory free, redefining the Union's cause from merely preserving the nation to abolishing slavery.

DACA provides temporary protection for undocumented youth brought to America as children

Created by executive order during the Obama administration, the Deferred Action for Childhood Arrivals policy provides temporary deportation protection and work authorization for undocumented individuals brought to the US as children. Explore the history and ongoing political debates surrounding DACA and citizenship pathways.

The Civil Rights Act expanded the Department of Justice's enforcement powers

The 1964 bill empowered the DOJ's Civil Rights Division to challenge segregation, protect voting rights, and prosecute discrimination, thereby expanding its role in defending civil rights.

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

The Sixth Amendment guarantees the right to a speedy trial, an impartial jury, and legal counsel

The amendment guarantees robust protections for those accused of crimes. However, states weren't required to provide attorneys for defendants who couldn't afford one until the Supreme Court's 1963 Gideon v. Wainwright ruling—172 years after ratification.

Roe v. Wade recognized a constitutional right to abortion until Dobbs v. Jackson Women's Health Organization overturned it

For decades, the Supreme Court shaped abortion access through constitutional rulings, from Roe's recognition of a right to abortion to Dobbs' returning regulatory power to the states. This explainer tracks key cases, impacts, and current justices' views.

The Freedmen's Bureau was created to assist formerly enslaved people after the Civil War

Created in 1865, the Freedmen's Bureau aided 4 million formerly enslaved people and some poor Southern whites—distributing food; mediating labor disputes; and founding thousands of schools, including HBCUs Howard, Fisk, and Morehouse. Despite major achievements, the bureau was dissolved in 1872.

After gaining her freedom, Truth successfully went to court to free her son

When her son Peter was illegally sold into slavery in Alabama, Truth took the matter to court—becoming one of the first Black women to successfully sue a white man and win, and securing her son's return.

States are constitutionally mandated to draw their own congressional districts

Under Article I, Section 4 of the US Constitution, state legislatures possess the authority to determine how congressional districts are drawn. However, Congress retains the power to alter these rules if it chooses to.

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

Whitman's antislavery writing often focused on white Americans

The poet was openly opposed to slavery, though some of his writing focuses on abolition’s benefits for white people rather than for the lives of the enslaved.

The Fourth Amendment protects against unreasonable searches and seizures of your home

It requires officials to establish probable cause before obtaining a warrant. It was a direct response to British general warrants that authorized open-ended searches of Colonial homes and businesses.

See how the Declaration evolved from draft to final text

John Adams urged Congress to choose Thomas Jefferson to draft the Declaration because of his literary skill and low-profile reputation. Read Jefferson’s initial draft, which included passages later removed, including a forceful denunciation of slavery.

Meet the 56 signers of the Declaration of Independence—most of whom didn't put pen to paper until August 2, 1776—and see their original signatures.

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

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

The American Society of Civil Engineers' infrastructure report card gave the US a C in 2025, its highest grade since the project launched in 1998.

The first line of 'immortal' human cells, which can divide indefinitely and are used in scientific research, was nonconsensually taken from a Black woman.

The American cockroach is actually from Africa, an apparent hitchhiker aboard ships carrying enslaved people, with evidence suggesting the bug may have arrived in the New World as early as the 1600s.

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

At the beginning of the 20th century, a group of young men ate standard American food—replete with food additives like borax and formaldehyde—as part of government research to better understand food safety.

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.

Watch a 1934 short film starring jazz legend Cab Calloway, a major figure in the Harlem Renaissance's music scene

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.

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.

After the Boston Tea Party, colonists switched to coffee, which became the main morning drink for revolutionaries.

The US first hosted the World Cup in 1994, a tournament that lives in soccer infamy for its poor planning and the murder of Colombian player Andres Escobar, who'd accidentally scored on his own net.

The first steps to rebuilding your credit score include getting to know exactly what's on your credit report and figuring out how far you are from the '700 club,' or 'good score' range.

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.

US housing costs have risen by roughly 175% between 1991 and 2026—but a growing number of Gen Zers are becoming homeowners anyway. In 2025, 4% of homebuyers were Gen Z, up from 3% the year before.

The Brothers Grimm were lawyers before they were storytellers, but became interested in fairy tales as they began investigating how rules and customs had been passed down through cultures.

A 2019 Facebook event called on attendees to "Storm Area 51, They Can't Stop All of Us," resulting in countless memes, the creation of a music festival, and eventually the arrests of those who did try to approach the area.

Learn how to read a prospectus, the juicy document that any company must file with the SEC before going public.

The Mona Lisa's celebrity status and repeated restorations have obscured what made the painting so revolutionary for its time

See a 3D reconstruction of Tenochtitlan, the Aztec capital that was home to an estimated population of 200,000 to 400,000.

When you complete a CAPTCHA on a website to prove you are human, you may be unknowingly training algorithms for self-driving cars, whose systems require training data to help identify crosswalks, bicycles, and other outdoor objects.