One of the most forceful voices for abolition was William Lloyd Garrison. A white Quaker, he strongly opposed the use of violence to end slavery. Still, Garrion was more radical than many others, because he favored full political rights for all African Americans as citizens, not merely freeing them from slavery. In 1831, Garrison launched an abolitionist newspaper, The Liberator. It became the nation's leading anti slavery publication for 34 years, ending when slavery itself ended.

Prominent African Americans in the North took a leading role in the abolitionist movement. In 1829, David Walker published his Appeal: to the Coloured Citizens of the World. This strongly worded pamphlet urged enslaved people to rebel, if necessary, to gain their freedom. Perhaps the most powerful speaker for abolitionism was Frederick Douglass. Born into slavery, Douglass had broken the law by learning to read. After his successful escape, by appearing in public, he risked being captured and sent back to slavery. Yet he continued to speak before larger and larger audiences. He also published his own antislavery newspaper, the North Star.

An appropriate summary for this text would be
a. More people should have been involved in the effort to end slavery
b. Only northern Blacks and Whites cared about ending slavery
c. People from all parts of American society were involved in the effort to end slavery
d. Douglass was the most influential voice to end slavery

c. People from all parts of American society were involved in the effort to end slavery.

c. People from all parts of American society were involved in the effort to end slavery.

Explanation: The given text mentions multiple individuals from different backgrounds, such as William Lloyd Garrison (a white Quaker), David Walker (an African American), and Frederick Douglass (an African American born into slavery). These individuals, along with others, played important roles in the abolitionist movement. Therefore, it is clear that people from various parts of American society were involved in the effort to end slavery.

c. People from all parts of American society were involved in the effort to end slavery