Final answer:
Nelson Mandela mentions the obligations of leading the government and fighting for their rights. He and the black population were able to fulfill these obligations through peaceful protests.
Step-by-step explanation:
In the lesson 'Nelson Mandela: Long Walk to Freedom,' Nelson Mandela mentions the twin obligations of leading the government and fighting for their rights.
Nelson Mandela and the rest of the black population were able to fulfill these obligations through peaceful protests.