The transcontinental railroad. Because of it, goods were able to be exchanged between the west and east and Chinese immigrants mainly worked on it.
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When the power of authority is placed in the hands of the wealthy and influential citizens this is known as a(n) aristocracy.
The two greatest factors that contributed to the spread of disease among civil war soldiers were that they were in extremely close quarters, and that there was no medicine that could kill the germs in question.
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The Texas oil boom, sometimes called the gusher age, was a period of dramatic change and economic growth in the U.S. state of Texas during the early 20th century that began with the discovery of a large petroleum reserve near Beaumont, Texas. The find was unprecedented in its size (worldwide) and ushered in an age of rapid regional development and industrialization that has few parallels in U.S. history. Texas quickly became one of the leading oil-producing states in the U.S., along with Oklahoma and California; soon the nation overtook the Russian Empire as the top producer of petroleum. By 1940 Texas had come to dominate U.S. production. Some historians even define the beginning of the world's Oil Age as the beginning of this era in Texas.[1]
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