The 
would enable a woman to assess a man's level of commitment, detect the existence of prior commitments to other women or children, and simultaneously signal to the man her sexual fidelity.
a) Slavery increased in the South due to the economic gain of cotton
Growing more cotton meant an increased demand for slaves.
Answer:
Peer testimony
Explanation:
A testimony is simply called a given statement by a person who possesses a reasonable or logical connection to the subject, field or topic and He or she must be a credible source. Mostly, it can be used to either clarify or prove a point.
Peer testimony can simply be defined as when a statement or testimony is being given by an individual who does not have expertise in the that particular area, field or subject that is in question. they can also be called antiauthorities because it's testimony source that is neither expert nor celebrity, but likely to the subject of an audience. Paul may not be an expert in that field but he has personal experience with the issue in question.
