Flashbacks are triggered by a. entering a dark environment b. anxiety c. stress d. all of the above

D. All of the above

Explanation:

A flashback is a recurrent memory that usually is experienced involuntarily by a person. This tends to be a powerful memory, and it usually arises in a sudden way. These past experiences tend to be emotional ones, and can become so intense that a person feels he is reliving the experience. Flashbacks can be triggered by dark environments, anxiety and stress.

answer; /// i believe that they became successful farmers; ///////////////