Why do people join gangs to defend people they don't know?

People don't join gangs to defend people they don't know. They join gangs as a means of protection. In certain neighborhoods you don't have a choice.

Most young men feel they either have to join a gang or get beat up or shot. Read Code of the Street by Elijah Anderson. More.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.