Helps are appreciated !!:)

Which of the following is not a common characteristic of agricultural villages throughout the world?

Apsychologist has developed a series of personality inventories and wants to determine if they are valid. one of the scales measures perfectionism, so he asks a colleague for advice on how to establish the validity of this scale. the colleague tells him that if he were to find a sample of people with personality disorder, these people would obtain high scores on a scale that measures perfectionism.

How important is it to have a powerful army and navy? give two reasons for your answer