Answer:
social withdrawal; sociability
Explanation:
Social withdrawal: In psychology, the term "social withdrawal" is referred to as a condition in which an individual tends to avoid the other person and various activities that he or she used to enjoy. It can cause depression, loneliness, etc. An individual who is dealing with social withdrawal generally feels isolated and spends time alone with oneself and referred to as an introvert.
Sociability: In psychology, the term "sociability" is considered as one of the personality traits that describes the capability of an individual to be fond of another person's company and seeks for opportunity related to social contact with other individuals and are referred to as extrovert.
Prime numbers are numbers that are only divisible by 1 and themselves. So, to tell if a number is prime, look at its factors.
19:
1 x 19
29:
1 x 29
39:
1 x 39
3 x 13
So, because 39 has more than one set of factors, it's NOT a prime number.
Fighting between city-states led to the Peloponnese War.
Answer:
US invades Afghanistan to eliminate taliban and terrorist activity, to destroy Al Qaeda. After 9/11, the US asked the Taliban to turnover Laden, but they refused. The US then invaded Afghanistan. Johnson's policy to sustain bombing campaign against North Vietnam,which intended to stop flow of soldiers into the South.
Explanation: