Slavery

Key people

• Sally HemingsAmerican enslaved woman (c1773-1835); owned by Thomas Jefferson and mother of his children
• James Henry HammondGovernor of South Carolina, South Carolina politician (1807-1864)
• Cudjoe LewisOne of the last known survivors of the Atlantic Slave Trade
• Robert DruryEnglish sailor

Timeline

• 232 BCEIn antiquity Emperor Ashoka, who ruled the Maurya Empire in the Indian subcontinent from 269 to 232 BCE, abolished the slave trade but not slavery.
• 206 BCEThe Qin dynasty, which ruled China from 221 to 206 BCE, abolished slavery and discouraged serfdom.
• 1200According to historian John Gillingham, by 1200 slavery in the British Isles was non-existent.
• 1300In the Senegambia region, between 1300 and 1900, close to one-third of the population was enslaved.
• 1455The approval of slavery under these conditions was reaffirmed and extended in his Romanus Pontifex bull of 1455.

Read

• Up from SlaveryBooker T. Washington · 1900Book
• From slavery to freedomJohn Hope Franklin · 1947Book
• Capitalismo y EsclavitudEric Eustace Williams · 1944Book
• Slavery; a problem in American institutional and intellectual lifeStanley M. Elkins · 1959Book

Listen

• Memories of Childhood's Slavery DaysAnnie L. BurtonPodcast
• Up From Slavery by Booker T. WashingtonLoyal BooksPodcast
• Slave Narratives Alabamas Folk History of SlaveryVariousPodcast
• Address to Free Colored Americans, An by An Anti-Slavery Convention of American WomenciessePodcast

Voices to follow

• Phillip W. Magness@PhilWMagness · XEconomic historian
• Sasha Turner@drsashaturner · XJamaican-American historian
• Ada Ferrer@Adita_Ferrer · XAmerican historian and academic

Debates

• Was slavery primarily an economic institution or a system of racial control?One view: Slavery was fundamentally an economic system designed to extract labor and wealth through forced servitude. · Another: Slavery's core was the dehumanization and control of specific racial groups, solidifying racial hierarchy and justifying exploitation.Open question
• To what extent did enslaved people actively resist their bondage?One view: Resistance was widespread and varied, encompassing daily acts of sabotage, cultural preservation, organized revolts, and escapes. · Another: Overt resistance was often met with brutal repression, making survival, adaptation, and maintaining cultural identity primary forms of agency.Open question
• What is the most significant legacy of slavery in modern society?One view: The most significant legacy is the enduring economic inequality and wealth disparities between descendants of enslavers and the enslaved. · Another: The most significant legacy is systemic racism, which continues to shape social structures, institutions, and individual experiences.Open question

Glossary

• Chattel slaveryA system where enslaved people are treated as legal property, bought, sold, and inherited.
• AbolitionismA social and political movement advocating for the immediate and complete end of slavery.
• PlantationA large agricultural estate, especially in tropical regions, where cash crops are grown using resident labor, often enslaved.
• Indentured servitudeA labor system where a person works for a set period to pay off a debt, often for passage to a new land.
• Underground RailroadA network of secret routes and safe houses used by enslaved African Americans to escape to freedom in the 19th century.
• EmancipationThe process of being set free from legal, social, or political restrictions, especially from slavery.

Careers

Roles this can lead toward

Threads 7

Where this connects to other fields — and why it's worth knowing.

• Accounting Business

  Some of the math behind modern insurance and business bookkeeping was perfected on slave ships. Enslaved people were listed as insured cargo, and their deaths were recorded as a financial loss, a number in a ledger. The cold tools of finance were sharpened on one of history's cruelest trades.

• The Energy Transition Environment

  One barrel of oil packs the muscle-work of a person laboring for years. Historians call fossil fuel an 'energy slave' because it did the backbreaking jobs humans and animals used to do. Some argue cheap coal is part of why abolishing the real, human kind of slavery finally became imaginable.

• Digital Health & Telemedicine Health

  Some machines that measure how well your lungs work still adjust the results based on race, and that 'correction' traces back to slavery-era doctors claiming Black people's lungs were naturally weaker. A false, racist idea from centuries ago got quietly wired into the software of a modern medical device, and it's still shaping who gets diagnosed today.

• Environmental Justice Environment

  In the 1930s, officials drew maps marking Black neighborhoods as 'hazardous' so banks would refuse them loans. Those exact areas got fewer trees and more hot asphalt, and today they literally run hotter, by real degrees, on a summer day. A racist map from 90 years ago is now something you can measure with a thermometer.

• Psychometrics Psychology

  IQ tests were meant to measure how minds work. But early on, the eugenics movement grabbed them and used the scores to block immigrants and even justify sterilizing people. A tool built to understand intelligence got twisted into a weapon for ranking whole races as inferior.

• Vaccines Health

  America learned a life-saving trick from an enslaved African named Onesimus, who described how his home region protected people from smallpox. That method paved the way for modern vaccines. The knowledge that saved countless lives came from a man denied his own freedom.

• Student Debt Education

  Most debts vanish if you go bankrupt, but student loans usually don't, they follow you for life. That means a promise you made at 18 can bind your paychecks for decades. It quietly echoes an old system called indenture, where people were tied to work off a past debt, rebuilt now for the world of college and jobs.