In 1883, who was responsible for creating the first system of time zones in the United States?
answer
The railroad industry
question
Think about how railroads changed and developed.
answer
Railroads tried to become more versatile.
Americans began to measure time using time zones.
Rail travel became safer.
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Think about what you've learned about the role of railroads in helping make resources available.
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Railroads helped Americans access new sources of raw materials.
New cities grew into manufacturing centers that refined natural resources.
Trains required more materials to run and to be built, helping industries grow.
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How did railroad expansion make natural resources more available in the United States?
answer
by making it possible for natural resources to be transported to different cities and towns
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The expansion of the railroad directly led to economic growth in the US because
answer
railroads made resources and products easier to transport.
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The US government gave land to the railroads to help them expand. What impact did these land grants have on industries in the West?
answer
The grants allowed industries in the West to grow because they encouraged settlement and new industrial opportunities.
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The expansion of the rail networks led to
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a growth in the steel industry.
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What was a result of creating rail standardization?
answer
Trains from different rail lines could use each other's tracks.
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Which best describes a development that improved railroad safety?
answer
Companies replaced hand-operated brakes with air brakes on trains.
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Which invention was most important in revolutionizing the meat industry?
answer
the refrigerator car
question
During the Second Industrial Revolution, which building material became one of the most important in the world?
answer
steel
question
Which is an invention that improved safety for railway passengers?
answer
air brakes
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