WESTWARD EXPANSION INDUSTRIALIZATION URBANIZATION 1870 1900
SECOND INDUSTRIAL REVOLUTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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telephone
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radio
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airplane
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mustard gas
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Detailed explanation-1: -The most important inventions in the Second Industrial Revolution include the telegraph, the telephone, the modern lightbulb, the assembly line, the automobile, aircraft, and the construction of the transcontinental railroad in the United States.
Detailed explanation-2: -Major Technological Advances of the Second Industrial Revolution. 1870s. Automatic signals, air brakes, and knuckle couplers on the railroads; the Bessemer and then the open-hearth process in the steel mills; the telephone, electric light, and typewriter.
Detailed explanation-3: -Advancements in manufacturing and production technology enabled the widespread adoption of technological systems such as telegraph and railroad networks, gas and water supply, and sewage systems, which had earlier been concentrated to a few select cities.