10. This pair of photographs suggests that the major purpose of the Carlisle Indian School was to A. train future leaders in tribal traditions
B. prepare children for life on the reservation
C. teach skills needed for working in factories
D. promote cultural assimilation

11. Homesteaders on the Great Plains found it necessary to build the type of house shown in the photograph because —
A. the ground was not stable enough to support heavier structures
B. unpredictable weather conditions required settlers to build shelter rapidly
C. access to timber was limited by distance and lack of transportation
D. settlers lacked the skill required to build more-permanent structures