The increasing number of americans who move out of state to attend college will decrease the importance of assuming that students start new romantic relationships in school.

Propinquity

Explanation:

Propinquity Definition

Propinquity is a term used to define how close in physcal proximity we are to another person

When there is a high degree of propinquity, there is also a high chance that two people may be attracted to one another and eventually become friends.

Propinquity works with how close you are to a person in terms of a distance, because the closer you are to a person the more likely you are to physcally meet them in close proximity.

When people are out of their State it is highly possible that they will be engaging more into romantically relationship with those whom they physically interact with the most , which are those in the new state where they attend college.

the correct answer is a