12. When people moved from the eastern United States to the West, they often settled in areas that were occupied already by ____. These groups relied heavily on the ____ that roamed the plains in large herds. Railroads, farms, and fencing divided the landscape and reduced the space available to the buffalo. As the number of buffalo dwindled, native groups that relied on the buffalo also suffered. The U.S. government began to move Native Americans onto ____ to make room for white settlers.
a. buffalo
b. reservations
c. labor unions
d. longhorns
e. Native Americans
f. Mexicanos
a. buffalo
b. reservations
e. Native Americans