Read the text.
Many Northerners refused to cooperate with the Fugitive Slave Act and actually stepped up efforts to help runaways escape
The Underground Railroad was a secret network run by Northern whites and free blacks that used safe houses, secret rooms, tunnels, and trails to help runaway slaves evade recapture
Fugitive slaves would hide in cellars and holding pens in houses owned by whites sympathetic to the abolitionist movement
When the coast was clear of slave hunters, guides would then take the runaways to free states in the North so they could gain their freedom
Some runaway slaves fled to Canada to avoid slave hunters and escape the threat of slavery once and for all
How did this group fight to end slavery?