Applying the evaluation criteria:
Your research question is, "What are the social benefits and liabilities for the United States developing a national health insurance system??"
1. Select the source which would likely be more current for your topic.
Correct. Internet resources like News-Medical.net are generally more current than books; a Web site should indicate the date it was last updated.
2. Which database would be more likely to point you to articles relevant to your topic?