In Its Campaign to End Slavery,the American Anti-Slavery Society Embraced

In its campaign to end slavery,the American Anti-Slavery Society embraced which of the following tactics?

A) Smuggling weapons to slaves for use in an eventual uprising
B) Purchasing and freeing slaves threatened with a sale that would break up their families
C) Mounting civil disobedience actions and mass demonstrations to protest slavery
D) Sponsoring public lectures and collecting signatures on antislavery petitions