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- 2. In 1876 the United States celebrated its one-hundredth birthday. America held a giant exhibition showing off
- 3. In the Civil War railroads helped move troops and equipment to the battlefronts. It showed the
- 4. 3. Individual rail car brakes would avoid train car accidents. Once the tracks were all connected
- 5. Cornelius Vanderbilt, a son of a poor farmer, earned his fortune in the steamship lines. He
- 6. Soon there were too many railroad lines in some parts of the country. There were not
- 7. Railroad owners soon realized that cutthroat competition was hurting even larger lines. They looked for ways
- 8. Here is a political cartoon taken from a newspaper in 1879. This cartoon shows Vanderbilt towering
- 9. SteelworkersSteelworkers turned millions of tons of iron into steel for tracks and engines. Railroads helped the
- 10. In the late 1850's William Kelly and Henry Bessemer In the late 1850's William Kelly and
- 11. With this development of the Bessemer process, steel mills With this development of the Bessemer process,
- 12. With this development, steel mills sprang up all over the country. Pittsburgh became the steel capital
- 13. Andrew Carnegie made his fortune in the steel industry. In the 1870's he became familiar with
- 14. Carnegie also bought out steamship lines and warehouses. Soon Carnegie controlled all the steamship lines and
- 15. As railroads enabled big factories to produce items cheaper, many small local factories closed. When many
- 16. Many expanding businesses became corporations. A corporation is a business that is owned by investors. A
- 17. At the age of 23, David D. Rockefeller purchased his first oil refinery. He used his
- 18. Many Americans argued that the great leaders of giant corporations were abusing the free enterprise system.
- 19. An air brake for railroad engines invented by Granville Wood 3. Inventions That Changed the Nation
- 20. Better communication was important to American businesses. The telegraph Better communication was important to American businesses.
- 21. In 1876, Alexander Graham BellIn 1876, Alexander Graham Bell, a teacher of the deaf, invented the
- 22. In 1876, Thomas Edison In 1876, Thomas Edison opened a laboratory in New Jersey. Edison has
- 23. One of Edison's most important inventions was the creation of and electric power plant in 1882.
- 24. Elijah McCoy created a special device that oiled engines automatically in 1872. This device was widely
- 25. Granville T. Woods found a way to send telegraph messages between moving trains.
- 26. Jan Matzeliger Jan Matzeliger invented a machine that made shoes by machine. When an inventor created
- 27. Because of racial prejudiceBecause of racial prejudice, many African Americans had trouble getting patents for their
- 28. Gustavus Swift Gustavus Swift introduced refrigeration to the meat industry in the 1880's. As a result
- 29. No single person invented the automobile. Europeans produced motorized vehicles as easily back as the 1860's.
- 30. Henry Ford Henry Ford revolutionized auto making. He wanted to build an automobile that everyone could
- 31. Henry Ford's assembly line allowed the mass production of cars. Mass production means making large quantities
- 32. Cars became very popular. Slowly attitudes changed and “horseless carriages” or cars were accepted by the
- 33. In Ohio, two bicycle mechanics, Orville and Wilbur Wright In Ohio, two bicycle mechanics, Orville and
- 34. The factories of 1800 drew workers from many different backgrounds. Millions of immigrants coming to the
- 35. Steelworkers were injured by red-hot vats of steel. Factories were filled with dangerous conditions. Owners spent
- 36. In 1900, two million children under the age of 15 worked throughout the country. Many factory
- 37. There were a number of riots against the McCormick Harvester Company for their terrible conditions against
- 38. The AFL's practical approach was very successful. In 1886 it was the most powerful union. In
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