Comprehension - Native Americans

1. About 50% of the Native Indian population lives on reservations. The majority of the reservations are situated west of the Mississippi River.
2. There are severe social problems on many of the reservations, such as unemployment, poverty, alcoholism and drug abuse.  High rates of diabetes and heart disease are also a concern
3. tribal governments can deside taxes, establish requirements for membership, to license and regulate activities, to zone and to exclude persons from tribal territories. Can estblish casino.