Narrative of the Life of Frederick Douglass is an 1845 memoir and treatise on abolition written by famous orator and former slave Frederick Douglass. It is generally held to be the most famous of a number of narratives written by former slaves during the same period.
The wrought-iron framed plow had a polished steel share. This made it ideal for the tough soil of the Midwest United States and worked better than other plows.
In an emergency, Morse code can be sent by improvised methods that can be easily “keyed” on and off, making it one of the simplest and most versatile methods of telecommunication.
As early as 1834, Davenport developed a battery-powered electric motor. He used it to operate a small model car on a short section of track, paving the way for the later electrification of streetcars.
The U.S. Congress passed an act to “prohibit the importation of slaves into any port or place within the jurisdiction of the United States…from any foreign kingdom, place, or country.”
In 1794, U.S.-born inventor Eli Whitney (1765-1825) patented the cotton gin, a machine that revolutionized the production of cotton by greatly speeding up the process of removing seeds from cotton fiber.
The Bill of Rights amendments add specific guarantees of personal freedoms and rights, clear limitations on the government’s power in judicial and other proceedings, and explicit declarations that all powers not specifically granted to the federal government by the Constitution are reserved to the states or the people.
Rights of Man (1791), a book by Thomas Paine, including 31 articles, posits that popular political revolution is permissible when a government does not safeguard the natural rights of its people
Today the U.S. Constitution is the oldest written constitution in operation in the world.
This idea formed the basis of the new U.S. Constitution, which became the law of the land in 1789.
