Answer: Dissociative identity disorder and indeed has been found obvious in kids when the show traumatic effects.
Explanation:
DID could be defined as Dissociative identity disorder, it is a psychological situation where someone reacts to trauma to avoid thoughts of bad situations that happened in the past, factors that cause it are usually ugly events that happened at childhood e.g sexual and emotional harrassment mostly.
What proves that the evidence are real is how the child act when he's around people he knows, then this effect comes to play.
The answer for this item is letter "A. granted to the national government by the U.S Constitution". These are also known as "enumerated powers" which include the power to regulate foreign and estate commerce, power to coin money, declare war, etc.
The answer to this question is Sociobiologist
Sociobiologist Tend to search for correlation between social occurrence and biological occurrence and believe that human behaviors is a direct result of natural selection. This will make Ed tend to believe people's strategy to survive and lived on will determine what those people's do in their everyday life.