Read these sentences from the text.
“On April 28, 1967, citing his religious beliefs, he refused induction into the United States Army at the height of the war in Vietnam. Ali’s refusal followed a blunt statement, voiced fourteen months earlier: ‘I ain’t got no quarrel with them Vietcong.’ And the American establishment responded with a vengeance, demanding, ‘Since when did war become a matter of personal quarrels? War is duty. Your country calls; you answer.’”

Based on this evidence, what can you conclude about Ali’s sense of duty?
Ali felt a strong duty to his own personal beliefs.
Ali felt a strong duty to his family.
Ali felt a strong duty to America.
Ali felt a strong duty to help the people of Vietnam.