Questions: An anxiety problem that may develop after exposure to a traumatic event, such as combat or crime.

The answer is A Post-traumatic stress disorder

Post-traumatic stress disorder (PTSD) is a well-documented anxiety disorder that can develop after exposure to a traumatic event, such as combat, crime, or other life-threatening situations. It is characterized by symptoms such as flashbacks, severe anxiety, and uncontrollable thoughts about the event.

This option seems to be a typographical error or a non-standard term. There is no recognized anxiety disorder specifically called "Life pivent anxiety" in psychological literature.

Bipolar disorder is a mood disorder characterized by episodes of mania and depression. It is not primarily related to anxiety or directly caused by traumatic events, although individuals with bipolar disorder may experience anxiety as a secondary symptom.

While "flashback" is a symptom often associated with PTSD, "flashback trauma" is not a recognized disorder. Flashbacks are a symptom of PTSD, where the individual relives the traumatic event, but they do not constitute a separate disorder.