When Ali was drafted for Vietnam, many questioned whether he would accept the induction.
How Muhammad Ali Risked His Boxing Career to Protest the Vietnam War
Muhammad Ali Refuses the Vietnam War Draft
Muhammad Ali's Draft Controversy - Warfare History Network
From the archive, 29 April 1967: Muhammad Ali refuses to fight in Vietnam war, Muhammad Ali
Episode 2: Whats My Name? (1964-1970) (Muhammad Ali: A Film by Ken Burns, Sarah Burns & David McMahon) - Films Media Group
Muhammad Ali's Activism and Moral Courage, Muhammad Ali
Muhammad Ali's impact went far beyond the boxing ring - CBC Sports
Muhammad Ali: Biography, Heavyweight Boxer, Activist
Muhammad Ali : Muhammad Ali Refuses the Vietnam War Draft
New Muhammad Ali Docuseries Chronicles the Life of 'The Greatest' Athlete and Activist
