Answer:
The gang chooses to treat Steve's cousin in a polite and gentle manner. They do this, because that is how they treat the family of gang members.
Step-by-step explanation:
This question is about the novel "The Outsiders" where we know the story of Ponyboy a boy who struggles to find his own identity in an environment to which he does not feel comfortable and adapted. In the novel we got to know two street gangs, one of which Steve and Ponyboy are members of. These gangs have rules, which are strictly followed by all members, one of these rules says that the family of the gang members should be treated with kindness and for this reason, Steve's cousin is treated in a polite and kind manner.