Final answer:
Herbert Richardson faces post-traumatic stress disorder (PTSD) from the war.
Step-by-step explanation:
The trauma that Herbert Richardson faces is post-traumatic stress disorder (PTSD) from the war. After returning from the war, many veterans, including Richardson, did not receive the necessary mental and physical healthcare for their PTSD. As a result, they are now dealing with the effects of PTSD, such as flashback memories, isolation, and self-medication with alcohol.