Answer:
Learned helplessness
Explanation:
Learned helplessness: In psychology, the term learned helplessness is defined as a mental condition or state that consists of organisms who are expelled to tolerate or bear painful, unpleasant, or aversive stimuli and becomes unable to ignore various subsequent encounters with those stimuli, the organism believes that the situation is not escapable even if it possible to escape.
In the question above, Gretta’s situation illustrates the concept of learned helplessness.