Answer:
The humanistic psychology.
Explanation:
This field of psychology emphasises the personal growth potential of the individual. It was founded by Carl Rogers and Abraham Maslow. This field is concerned with human flourishing and personal development, focusing only on the whole person, as the exercise details.
Positive:
Nation could grow into a developed nation with smart leaders. This would reduce disease, famine, and just death overall. Birth rate would drop.
Negative:
The strong government could be abusive with their powers and use them for their own gain. Such as taking money from the people and exploiting them.
This is an example of parallelism. Notice how the gramatical structure repeats throughout the sentence, following the pattern verb, the word "any" and then a noun.