What were two ways that abolitionists fought slavery?

Letting Runaway slaves hide in their houses and using the press to spread the abolitionist message

In a backlash, anti-abolition riots broke out in many northeastern cities, including New York and Philadelphia, during 1834-35. Several Southern states, beginning with the Carolinas, made formal requests to other states to suppress abolition groups and their literature. He called for slaves to rise up against their masters and to defend themselves

Explanation: so, they fought it by starting a riot during the 1834-35. which they stood up for themselves and they rose up against their slave masters and defended themselves.