Prior to the outbreak of the Civil War, the election of 1860 increased sectional tensions of the United States by lifting pro-union, anti-slavery statesman, Abraham Lincoln into the Presidency. In reaction, the Southern States protested in many ways, but in no more dramatic way than, one by one, seceding.
Answer:
Indian Appropriations Act of 1871
Explanation:
In March 1871, Congress passed a law depriving Indian tribes of the right to be considered independent nations, relations with which were regulated on a contractual basis. Their new status was defined as wards of the United States, in respect of which Congress was entitled to issue any laws governing their lives and property. On this, the contractual period of Indian politics ended.