Unformatted text preview: quickly they could not properly house or govern their growing populations. TECHNOLOGY AND CHANGE “The Civil War,” says one writer, “cut a wide gash through the history of the country; it dramatized in a stroke the changes that had begun to take place during the preceding 20 or 30 years. . ..” War needs had enormously stimulated manufacturing, speeding an economic process based on the exploitation of iron, steam, and electric power, as well as the forward march of science and invention. In the years before 1860, 36,000 patents were granted; in the next 30 years, 440,000 patents were issued, and in the first quarter of the 20th century, the number reached nearly a million....
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- Fall '10
- transcontinental railroad lines, vast agricultural holdings, philanthropist Andrew Carnegie, great wars, vanished. Great factories