Which one of the following would be most consistent with the policy of readjustment described in the passage? A. the establishment among Native Americans of a tribal system of a elected government B. the creation of a national project to preserve Native American language and oral history C. the establishment of programs to encourage Native Americans to move from reservations to urban areas D. the development of a large-scale effort to restore Native American lands to their original tribes E. the reaffirmation of federal treaty obligations to Native American tribes