Research by sociologist Linda Teplin revealed that for comparable non-traffic encounters, police were more likely to:
a) arrest an adult, but give a warning to an adolescent
b) arrest someone who was disrespectful
c) arrest someone who appeared to be legally intoxicated
d) arrest someone who appeared to be mentally ill

d) arrest someone who appeared to be mentally ill

Explanation:

the historians cited in the article all agree with one another about the cause of the civil war. despite coming from different backgrounds and cultures, the historians agree that slavery was the root cause of the civil war. the fact that all these historiansgenerally agree with one another makes their shared viewpoints more reliable and valid, especially because the historians have different backgrounds and all work for the well-respected institutions of howard university, clemson university, and the university of colorado.

the answer to this question is d