It should be the first one.
By informing the reader that binge-watchers suffer from depression and have less self-control
Answer:
The United States is destined to spread war and deaths overseas.
Explanation:
It needs no explanation as it is an obvious fact.
Answer:
change the student to students in sentence 1
The correct answer is: Any language taken directly from the source.
In a research paper, anything that is taken directly from a source should be placed inside quotation marks. This way, you are acknowledging that you cited some sources and these are not you're own words. It will help you avoid plagiarism as well.