1. USII.5a  Early 20th Century -Transportation, Communication, Electrification
The student will demonstrate knowledge of the social, economic, and technological changes of the early twentieth century by a) explaining how developments in transportation (including the use of the automobile), communication, and electrification changed American life.

2. How was social and economic life in the early twentieth century different from that of the late nineteenth century?
Technology extended progress into all areas of American life, including neglected rural areas.

3. Results of improved transportation brought by affordable automobiles
Greater mobility
Creation of jobs
Growth of
transportation-related industries (road construction, oil, steel, automobile)
Movement to suburban areas

4. Invention of the airplane
The Wright brothers

5. Use of the assembly line
Henry
Ford

6. Communication changes
Increased availability of telephones
Development of the radio (Guglielmo Marconi) and broadcast industry (David Sarnoff)
Development of the movies
Alexander Graham Bell (1880)

7. Ways electrification changed American life
Labor-saving products (e.g., washing machines, electric stoves, water pumps)
Electric lighting
Entertainment
(e.g., radio)
Thomas Edison