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Research Reports

Searching for Justice, 2005

Reflections on Traditional American Indian Ways, 1998

Threats to Tribal Sovereignty, 1998

Traditional American Indian Leadership: A Comparison with U.S. Governance, 1997

Communications and Relationships Between Reservation American Indians and Non-Indians from Neighboring Communities, 1997

American Indians & Home Ownership, 1995

Plenary Powers of the U.S. Congress

In the United States, interpretation of tribal sovereignty is in some ways a paradox. Through legal and political determinations, tribes are considered sovereign, yet Congress has the Constitutional authority to legislate laws over Indian tribes.

How is it that tribes can simultaneously exist as sovereigns and be subject to Congressional action? The answer resides both in:

  • the commerce clause of the Constitution which confers Congress with the power to regulate commerce between "foreign nations, among the several states, and with the Indian tribes [italics added]" (U.S. Constitution, Art. 1, sec. 8, clause 3); and

  • in the power granted to Congress to negotiate treaties.

From these two sources, Chief Justice John Marshall established Constitutional precedence for Congressional authority in Indian Country which is called plenary power.

Back to Threats on Tribal Sovereignty Report

The Well-Being of American Indian Children in Minnesota: Economic Conditions, 1994


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Last updated: Tuesday November 1, 2005