A Nursing Instructor Is Preparing a Lesson Plan Related to the History

A nursing instructor is preparing a lesson plan related to the history of the diagnosis of PTSD. Which of the following facts would be appropriate to include?

A) Between 1950 and 1970, little was written about PTSD.
B) During the 1970s and 1980s, there was a major increase in research on PTSD.
C) During the 1970s and 1980s, much research was related to World War II veterans.
D) PTSD did not appear until the third edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-III) .
E) PTSD did not appear until the fourth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) .