 Brown's time in Springfield sowed the seeds for the future financial support he received from New England's great merchants, introduced him to nationally famous abolitionists like Douglass and Truth, and included the foundation of the League of Gileadites.During this time, Brown also helped publicize David Walker's speech "Appeal".Brown's personal attitudes evolved in Springfield, as he observed the success of the city's Underground Railroad and made his first venture into militant, anti-slavery community organizing.