Answer May Be C) Vernacular
Answer:
A
Explanation:
this is what i read from a search “Nations have no permanent friends or allies, they only have permanent interests.” because a year they could be friends then the next they be enemies
This is an example of exchange theory.
In sociology, exchange theory has to do with maximizing benefits while also minimizing costs. When applied to Bill and Cathy's situation, they are taking advantage of each other's skills in order to minimize costs - Bill can cook and Cathy can't (so they can prepare food on their own) and Cathy can repair stuff and Bill can't (so they don't have to get a handyman).
I think it was Joseph Adonis