D. The appearance of the odd people
The south heavily relied on cotton.
Answer:
The Premack principle
Explanation:
The Premack Principle is the principles which states that when an individual prefer one behaviour to the other such behaviour can be used to reinforce the behaviour they dont like or the less behaviour.
Therefore Premack's principle are often used when a person want to carryout a specific tasks, the person will carry out the ones they don't like or the lesser one in order to get the higher one.
Hence, higher behaviour will often reinforce less behaviour according to PREMACK PRINCIPLE .
Therefore PREMARK PRINCIPLE predicts that the opportunity to do laundry will motivate a person to study.
