Answer: To help fight crime
Step-by-step explanation:
When the Police create a relationship with the community it makes their work a little bit easier when fighting crime, as the y would be able to get reliable and trustworthy Information from the masses which they have built the relationship with but a scenario were the Police is not in good terms with the community it makes their work much harder as the community won't want to cooperate with them. So, a relationship with the community breeds transperacy, information obtainable.