Expansion of American Industry: A Technological Revolution Chapter 14 Section 1 Expansion of American Industry: A Technological Revolution

1.Make a list of technological advances that occurred in each of the following categories 2. Describe how advances in each category worked to promoter industrial growth in the U.S.

Transportation Transcontinental Railroad

How did the Transcontinental Railroad promote industrial growth? Could carry goods and passengers from coast to coast Improved the safety air brakes Telegraph system helped in communication with moving of trains and reduced the risk of collison Created jobs

Communication Telegraph Telephone

How did the Communication promote industrial growth? Telegraph: could send messages over wires Telephone: people able to communicate and hear one another

Energy Electricity

How did the Electricity promote industrial growth? General Electric and Westinghouse Electric companies created These companies encouraged the spread of the use of electricity in homes and businesses

Steel Manufacture Bessemer Process Mass production

How did the Steel Manufacture promote industrial growth? Bessemer Process made it much easier and cheaper to remove the impurities With Bessemer Process made it easier to mass produce products

Positive and Negative effects of Transportation in American Society in the U.S Time Zone (schedules) created in towns and clocks were set to them Shipping cost dropped Negative Trains were noisy, dirty and uncomfortable for travelers Huge engines with spewing smoke and cinder through countryside (pollution)

Positive and Negative effects of Communication in American Society in the U.S. People are able to communicate by messages with telegraph People are able to talk and hear voices directly instead of having to send a letter and wait for response Negative Not all areas were able to get wires into towns or houses At first telephones lines could only connect 2 places-home and business: Central Switchboards linked homes and business and whole cities

Positive and Negative effects of Energy in American Society in the U.S. Refrigerators possible which reduced spoilage and the need to cut and distribute ice Rapid growth of ready made clothing People could stay up longer and have a family life Negative Loss of jobs powered by early sewing machines by push pedals Not all areas had electricity: Rural areas went without for decades Many could not afford the appliances that ran on electricity (extra expense)

Positive and Negative effects of Energy in American Society in the U.S. Bessemer Process made it possible to build bridges, skyscrapers and subways NYC status grew: business and population Negative Death and injuries from explosion and fires were common