Complex sentence: The Oklahoma Indian Welfare Act of 1936, also known as the Thomas-Rogers Act, is a United States federal law that extended of the Indian Reorganization Act of 1934 which sought to return some form of tribal government to the many tribes in Indian Territory.
Split into simpler sentences: The Oklahoma Indian Welfare Act of 1936, also known as the Thomas-Rogers Act, is a United States federal law that extended of the Indian Reorganization Act of 1934. It sought to return some form of tribal government to the many tribes in Indian Territory.