Final answer:
William Lloyd Garrison was dedicated to ending slavery as a moral imperative and supported racial equality. His newspaper, The Liberator, played a crucial role in spreading his abolitionist message and organizing interracial movements.
Step-by-step explanation:
William Lloyd Garrison was dedicated to ending slavery because he believed it was a moral imperative and advocated for immediate and complete emancipation. He also supported racial equality as a necessary component of ending slavery without violence. Garrison's newspaper, The Liberator, played a crucial role in the abolitionist movement by spreading his message, organizing interracial crusades, and promoting the idea of immediate emancipation and black citizenship.