Answer:
im so sorry i would totally do this for you but i have some other things to do right now. hope someone helps you out and have a good day!
Explanation:
The pattern of end rhymes I presume.
It is important because the sources tell you whether the article was credible. When you have an article that has bad source, you are running the risk of having, wrong, opinionated data. This can discredit you paper if you use it.