What were ways that abolitionists spread word?

Answer 1

Abolitionists cited biblical verses in their sermons and speeches to lure the public to oppose and help end the institution of slavery. In some cases, abolitionists asked former slaves such as Frederick Douglas to speak publicly about their experience.

Answer 2

With the understanding that this question pertains to the US institution of slavery before the 1865 13th Amendment, antislavery abolitionists used various ways to help end the existence of slavery in the US. The following major methods were widely used in the North. These were basically impossible to do in the South:

1. Antislavery newspapers and books consistently advocated the abolition of slavery in the North;

2. Abolitionists campaigned for elected antislavery candidates for all levels of government in the North; and

3. Churches in the North used their pulpits to speak against slavery.