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Lesson 1 - Unit 4 Lesson 1 Expansion of Industry Lesson...

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Unit 4  Lesson 1 - Expansion of Industry Lesson Objective:  In this lesson, the student will describe the impact of the following aspects of the Industrial  Revolution on the United States: transportation improvements  factory system manufacturing  inventions  Changes in the Industrial Base The Industrial Revolution began in England in the late 18th century (1700s) in Great Britain, and spread around the  world. By the early 19th century (1800s), manufacturing was an important part of the American economy in the  early 19th century, particularly in the North. In the late 19th century, the U.S. experienced a period of explosive  growth in U.S. manufacturing called the  Second Industrial Revolution . Watch the slide show to learn more about  it. Steel As new technologies were invented and implemented stronger materials had to be found that could keep up with  new tools and heavier railroad engines. Steel was that stronger material. Wood and iron had been used up to the  Civil War, but they were weaker and could not be easily molded into needed shapes. Steel is strong, long-lasting  and easily shaped. It had been used for centuries in weapons production (knives and swords). However, up to  1858 it was still very expensive to produce.
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