You could google this it would help you alot all you need to do is get the list of the devices they have read the passage and find what fits best
here is a list of devices
http://examples.yourdictionary.com/examples-of-rhetorical-devices.html
Answer:
Whether you are raised on morals or the belief of a well being using good manner is key to th proper function of life as we know it. Manners are a kay part of life that if used more frequently could change the world for the better.