Read these lines from "Harriet Tubman." Didn't come in this world to be no slave And didn't stay one either And didn't stay one either Which theme of commitment is supported by the repetition of the final line? People must be defiant and steadfast in order to overcome injustice. O People must leave all that they know in order to overcome injustice. O People must face their fears in order to overcome injustice. People must forget their past in order to overcome injustice.