Answer :
C. can improve a person's personal life.
Learning how to interact with other people improve one's social life.
Learning how to interact with other people improve one's social life.
Studying how people get along with one another C) can improve a persons personal life. By studying how people get along with one another a person can then apply this in their life to improve all aspects of their lives including but not limited to family, work place, and friendships. By having better relationships with others ones personal life would improve.