Complex sentence: Under the federal Indian Reorganization Act of 1934 and the Oklahoma Indian Welfare Act of 1936, the Caddo restored their tribal government, while adopting a written constitution and a process of electing officials.
Split into simpler sentences: Under the federal Indian Reorganization Act of 1934 and the Oklahoma Indian Welfare Act of 1936, the Caddo restored their tribal government. They adopted a written constitution and a process of electing officials.