AP US History AMSCO Guided Notes

6.5: Technological Innovation

AP US History Guided Notes

AMSCO 6.5 - Technological Innovation

Learning Objectives

  1. Explain the effects of technological advances in the development of the United States over time.
I. Inventions

1. How did Samuel F. B. Morse's telegraph invention change communication, and what impact did the transatlantic cable have on global markets?

A. Communications and Transportation Innovations

1. What were the major business and consumer products invented in the late 19th century and how did they transform daily life?

II. The Steel Industry

1. What technological breakthrough enabled the rise of heavy industry and why did the Great Lakes region become the center of steel production?

III. Edison and Westinghouse

1. What was Edison's Menlo Park laboratory and why was its team-based approach significant for science and industry?

2. How did Edison's improvements to the incandescent lamp revolutionize urban life and work?

3. How did George Westinghouse's transformer invention and AC power systems differ from Edison's technology and what was their impact on cities?

IV. Technology and Growth of Cities

A. Changes in Transportation

1. How did improvements in urban transportation transform where people could live in relation to their jobs?

2. What role did electric trolleys, elevated railroads, subways, and steel suspension bridges play in expanding cities outward?

B. Skyscrapers

1. What technological innovations made the construction of tall steel-framed skyscrapers possible and how did they change American urban skylines?

V. Marketing Consumer Goods

1. How did department stores, chain stores, and mail-order companies use new technology and marketing to reach different customer populations?

2. How did refrigerated railroad cars and canning technology change American eating habits and consumer culture?

Key Terms

transatlantic cable

telephone

Alexander Graham Bell

Eastman's Kodak camera

Henry Bessemer

Thomas Edison

Menlo Park

electric power

electric light

George Westinghouse

subways

Brooklyn Bridge

skyscraper

Otis elevator

R. H. Macy

large department store

mail-order companies

Sears, Roebuck & Co.

packaged foods

canning

Gustavus Swift

advertising

consumer economy