The American West

4. A man, typically one on horseback, who herds and tends cattle
5. A private security guard and detective agency established around 1850
7. The given name of many cemeteries, chiefly in the Western United States
9. Several laws by which an applicant could acquire ownership of government land or the public domain
10. The process of moving a herd of cattle from one place to another, usually moved and herded by cowboys on horses
13. A trail used in the post-Civil War era to drive cattle overland from ranches in Texas to Kansas railheads
14. A historical event in which previously restricted land of the United States was opened for homesteading on a first-come-first-served basis
15. Members of the 10th Cavalry Regiment of the United States Army

1. An act to provide for the allotment of lands in severalty to Indians on the various reservations
2. A dance that Indians believed would reunite the living with spirits of the dead, bring the spirits to fight on their behalf, end westward expansion, and bring peace
3. An American express mail service that used relays of horse-mounted riders
6. A convoy or train of covered horse-drawn wagons
8. An area of land held and governed by a federally recognized Native American tribal nation whose government is accountable to the United States Bureau of Indian Affairs and not to the state government in which it is located
11. The ethnic cleansing and forced displacement of approximately 60,000 people of the "Five Civilized Tribes" between 1830 and 1850
12. The process in which a minority group or culture comes to resemble a society's majority group or assume the values, behaviors, and beliefs of another group