After experiencing inescapable brutalities as a prisoner in a work-camp in Dafur, Mr. Lamar became apathetic and gave up all efforts to survive. Mr. Lamar's reaction most clearly illustrates:

The answer is learned helplessness.

Explanation:

Learned helplessness refers to a behavior that is shown by a person after enduring some aversive stimuli that are beyond his or her control. This behavior is considered to be caused because the person accepts his or her  powerlessness. There are some attempts to avoid the aversive stimulus.

When a person shows this kind of behavior, we can say that a person has acquired learned helplessness. In humans, learned helplessness usually has a relationship with self-efficacy, it means the innate ability that a person has to achieve specific goals.  

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1. senate

2.there is no diagram

3.education