The correct answer is D) urged immediate emancipation of slaves in the United States.
The best option that describes the efforts of William Lloyd Garrison is he urged immediate emancipation of slaves in the United States.
William Lloyd Garrison(1805-1879) was an American journalist who was the editor of the newspaper, “The Liberator”. Through this, he leaded the abolitionist campaign against slavery in the United States. He supported the return of free blacks to Africa.
The Liberator newspaper circulated in England and the U.S. That is why Garrison was recognized as an antislavery advocate. He founded the New England Anti-Slavery Society in 1832 and helped with the formation of the American Anti-Slavery Society.