How did the underground railroad work?
a. there were a couple of set routes with regular paths.
b. slaves hid and slept during the day and traveled at night.
c. safe places to hide and sleep were called stations.
d. all of the above
f. none of the above.
plz i need the answer fast

d all of the above alot of times it was set places to travel to but sometimes it also changed and they would often travel durring the cover of night to avoide beeing seen. lastly the reason its called the underground railroad is because  the safe places were called stations

answer; (regions)