1. The Expansion of industry

2. Natural Resources fuel industrialization
At the end of the 19th century, natural resources, and growing markets fuel an industrial boom.
By 1920s, U.S. is world’s leading industrial power, due to:
- wealth of natural resources
- government support for business
- growing urban population

3. Bessemer process
the Bessemer process -- the most important technique for making steel in the nineteenth century
Developed by Henry Bessemer and William Kelly around 1850
Injecting air into molten iron to take out the carbon and other things to make steel

4. New uses for steel Railroads Barbed wire farm machines
Innovative construction (like the Brooklyn bridge(

5. Alva Edison (February 11, 1847 – October 18, 1931)
Establish the worlds 1st research laboratory in Menlo Park, New Jersey
Perfected and patented the incandescent light bulb in 1880
Invented a whole system for producing and distributing electrical power
This enabled industry to grow like never before

6. Christopher Sholes Christopher Sholes Intended the typewriter (1867)
The Typewriter opened new jobs for women

7. Alexander Graham Bell Christopher Sholes Alexander Graham Bell
Intended the typewriter (1867)
Alexander Graham Bell
The telephone (1876) with Thomas Watson
The telephone opened even more jobs for women

8. Dynamite!
In 1863, Alfred Nobel invented the Nobel patent detonator or blasting cap for detonating nitroglycerin.
Nitroglycerin was first invented by Italian chemist Ascanio Sobrero in In its natural liquid state, nitroglycerin is very volatile. Alfred Nobel understood this and in 1866 he discovered that mixing nitroglycerine with silica would turn the liquid into a malleable paste, called dynamite.

10. Sources http://dorman-data-digest.com/file/view/Chapter+6.pdf