Complex sentence: After divorcing Hugo Olaya, Mankiller moved back to Oklahoma with her two young daughters in 1977, in hopes of helping her own people and began an entry-level job for the Cherokee Nation.
Split into simpler sentences: After divorcing Hugo Olaya, in 1977 Mankiller moved back to Oklahoma with her two young daughters, in hopes of helping her own people. She began an entry-level job for the Cherokee Nation.