Why did the Kansas become known as “Bleeding Kansas”?
(help me please)

This period of guerrilla warfare is referred to as Bleeding Kansas because of the blood shed by pro-slavery and anti-slavery groups, lasting until the violence died down in roughly 1859. Most of the violence was relatively unorganized, small scale violence, yet it led to mass feelings of terror within the territory.

Explanation:

i also think he is correct. i believe they came to washington to protest their rights.