I haven't read the outsiders in like 2 years but I do remember Pony boy and his friend (I forgot sorry) were wanted for murder so they ran away and hid in an abandoned church for a while but that's only one of the major problems I remember from the book
The men lost all desire to return to their homeland.
I think C.) Persuade his audience not to pursue freedom from British rule
It is dark because Barnardo has trouble seeing the other guard.
This scene takes place at midnight and it is so dark Barnardo cannot see the other guard. Barnardo shows up for his shift, but he can't clearly make out who Francisco is. Francisco has the same problem because instead of answering Barnardo he tells him to identify himself first. They get it figured out and Barnardo begins his shift.