Although Groups Like the American Anti-Slavery Society, Founded in 1833

Although groups like the American Anti-Slavery Society, founded in 1833, and the National Trades Union, founded in 1834, had political aims, they are not referred to as "political interest groups" because ______.

A) they did not charge for membership in the groups
B) they were ultimately unsuccessful in achieving their goals
C) they stopped operating once they achieved their political goals
D) they sought to achieve their ends without involving the government