12. Passage of the Homestead Act in 1862 encouraged settlement of the Great Plains by A. providing free land to farmers B. removing barriers to Asian immigration
C. supplying land to build transcontinental railroads
D. placing Native American Indians on reservation

13. As a result of the Dawes Act, American Indians in the Great Plains were effectively forced to _.
A. move to cities and find factory jobs.
B. own individual sections of reservation land and adopt customs of the dominant culture.
C. relocate to mining communities in the West.
D. wear mainstream clothing when in public

14. What is the most likely reason for the population increase indicated in the graph?
A. The construction of the Ferry Building allowed more people to settle in the city.
B. The Dust Bowl sent residents of the Great Plains to the West Coast seeking employment.
C. San Francisco’s economy diversified, drawing new residents to the city in search of opportunity.
D. The prominence of organized labor unions in San Francisco encouraged workers to move west