OPA

The federal Indian trust responsibility is a legal obligation under which the United States “has charged itself with moral obligations of the highest responsibility and trust” toward Indian tribes (Seminole Nation v. United States, 1942). This obligation was first discussed by Chief Justice John Marshall in Cherokee Nation v. Georgia (1831). Over the years, the trust doctrine has been at the center of numerous other Supreme Court cases, thus making it one of the most important principles in federal Indian law.

Article 1, Section 8 of the United States Constitution vests Congress, and by extension the Executive and Judicial branches of our government, with the authority to engage in relations with the tribes, thereby firmly placing tribes within the constitutional fabric of our nation. When the governmental authority of tribes was first challenged in the 1830's, U. S.

From 1778 to 1871, the United States’ relations with individual American Indian nations indigenous to what is now the U.S. were defined and conducted largely through the treaty-making process.