I believe the answer is: the DSM-5.
the DSM-5 filled with standard classifications that professionals in psychological field can used to identify the type of illness that their patients have. With this classifications, we hoped that there would be less cases when different psychologists offered different conclusions and make the patients confused.
the gulf costal plains because it would be easy to get water for the crops
Answer: Theology and Psychology can easily be integrated.
Explanation: There are psychological therapies that takes into consideration theological concepts, this current among psychology is called existentialism. In this current, life traits such as "meaning of life" for example, are considered to be an important part of the therapeutic process. Also, they use religion as a way of healing because it is considered to be a crucial part of a human's life.
The correct answer would be Self-fulfillment.
I hope that this helps you !