1. Westward Expansion & Inventions STEAMBOAT

2. Inventions & Westward Expansion Notes Cotton Gin— Machine separated cottonseeds from cotton fiber Invented by Eli Whitney in 1793 Led to an increase in cotton-growing plantations and slavery Steamboat— Lots of early attempts 1 st made successful in U.S. by Robert Fulton in 1807 Allowed for faster travel throughout the U.S. http://www.history.com/shows/modern-marvels/videos/steam-engine-drives-transportation- revolution#steam-engine-drives-transportation-revolution

3. Steam Locomotive— http://www.history.com/shows/modern-marvels/videos/modern-marvels-evolution- of-railroads#modern-marvels-evolution-of-railroads Telegraph — Used a code to send messages over a wire Samuel Morse given credit for its invention 1 st telegraph line built in U.S. in 1838 http://www.history.com/videos/first-telegraph-message#first-telegraph-message 1 st railroad track opened in U.S. in 1830 Railroad tracks spread quickly, especially in North Transcontinental railroad finished in 1869