It can mean that you can get what you want easier when you're being nice.
Answer:
he used angry tone because he were angry
Using force or trying to persuade someone through sarcasm or irony could be viewed as one of the worst ways to persuade someone into believing something you want to prove.
The correct answer for the question that is being presented above is this one: "a magazine article published in 2013 about community recycling programs; an encyclopedia article written in 2012 about community recycling programs; <span>a book published in 2012 about a company's computer recycling program."</span>