Context of Choctaw-Chickasaw Union Party. Letter from the Secretary of the Interior, transmitting copy of a paper which purports to be the objections by the Choctaw-Chickasaw Union Party to the agreement between the Commissioners of the United States to Negotiate with the Five Civilized Tribes and the commissioners on the part of the Choctaw and Chickasaw Indians heretofore submitted. December 17, 1897.