An interest in describing and classifying the many ways in which individuals may differ from one another is most characteristic of the perspective.

Trait

Explanation:

Trait perspective is defined as the concept in which personality of individual is studied to measure the various traits present in them.Trait can be based  behavioral pattern, feelings, thoughts, practices, emotions etc.

This perspective extracts the different personality that is exhibited by human being in particular situations. These characteristics tend to remain constant in different environment for a particular person.

answer; randomization;

answer; //(no) the u.s.constitution prohibits it because of using the congress for their own personal gain;