Which abolitionist was known for publishing a newspaper that called for the immediate end to slavery and included radical anti-slavery rhetoric?

William Lloyd Garrison is recognized for his influential role in the abolitionist movement through the publication of "The Liberator," a newspaper that fervently advocated for the immediate emancipation of enslaved people. Garrison's approach was characterized by its radical stance, emphasizing not just the moral necessity of ending slavery, but also calling out the injustices of the institution with uncompromising rhetoric. His commitment to abolition was so intense that he refused to compromise with those advocating gradual emancipation or colonization schemes.

Garrison’s publication had a significant impact on the abolitionist movement by providing a platform for anti-slavery discourse, rallying activists, and bringing attention to the plight of enslaved individuals. His bold stance inspired many others to join the fight against slavery, making him a pivotal figure in this social reform movement. This background highlights why he is the correct answer regarding the question of a newspaper that specifically called for the immediate end to slavery with radical rhetoric.