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

2. 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.

3. Transportation
Transcontinental Railroad

4. 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

5. Communication
Telegraph
Telephone

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

7. Energy
Electricity

8. 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

9. Steel Manufacture
Bessemer Process
Mass production

10. 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

11. 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)

12. 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

13. 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)

14. 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