John D. Rockefeller created Standard Oil Trust by trading stockholders’ shares for trust certificates. The trust was designed to allow Rockefeller and other Standard Oil stockholders to get around state laws prohibiting one company from owning stock in another.
Conflict broke out when the United States failed to honor its 1868 treaty promising to assign prairie lands to the Bannock Indians. Pushed west by white incursion and suffering from starvation, the Bannock and Northern Shoshone tribes raided white settlements for food. The Army put down the raids, and the Bannock surrendered and were returned to their reservation near Fort Hall, Idaho.