Before the positive psychology movement , psychology focused mainly on a) personality style upbringing b) positive thoughts and feelings of people c) negative and dysfunctional aspects of emotions and behavior d) the history of mental illness.

Correct answer choice is:

D) The history of mental illness.

Explanation:

Mental health is a stage of emotional well-being or an inadequacy of mental illness. It is the "mental state of someone who is performing at a competent level of nervous and behavioral change".

The philosopher and physician, Hippocrates, found that illnesses develop from “natural happenings in the body” (Foerschner). As Hippocrates was inquiring about subjective illness, he passed away from the erroneous assumptions and towards the therapeutic aspect of it.

when it is at an intermediate population density