Natural Resources
Railroad System
Key Inventions
Big Business
100
Before finding the abundance of natural resources like steel and oil, the United States economy was dominated by?
Agriculture
100
The massive production of this metal helped expand railroads across the country.
Steel
100
Electricity was invented in 1876 by:
Thomas Edison
100
This man dominated the STEEL industry in the late 19th Century.
Andrew Carnegie
200
In 1859, Edwin Drake used the steam engine to drill for which natural resource?
Oil
200
These immigrants were hired to work on the railroads in extremely harsh conditions. 
Chinese Immigrants
200
In 1867, Christopher Sholes invented this old-school computer.
Typewriter
200

This man dominated the OIL industry in the late 19th Century.

John D. Rockefeller
300
This byproduct of the oil refining process was originally thrown away before the invention of automobiles.
Gasoline
300
The connection of railroad tracks from East to West was called the:
Transcontinental Railroad
300
Alexander Graham Bell invented this new form of communication.
Telephone
300
Andrew Carnegie came to the United States when he was 12 years old. Where was he born?
Scotland
400
Removing this element from Iron Ore produces steel.
Carbon
400
Due to the sun rising at different times in the United States, Professor Charles Dowd introduced the idea of 
24-Hour Time Zones
400
Before the development of electricity, power plants had to be close to what?
Rivers
400

Rockefeller became one of the richest men in history by merging with competing companies on:

Trust agreements
500
This process, created by a man named Henry, was manufactured to produce 90% of the nation's steel.
Bessemer Process
500

The first Transcontinental Railroad met in a city called Promontory, which is located in what US state?

Utah
500
After the inventions of the typewriter and telephone, who saw the biggest increase in office employment? 
Women
500
When a market is controlled by few big businesses instead of many small businesses, it is called a:
Monopoly
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