I believe the answer is: He's constantly having nightmare on his sleep and constantly do a violent outburst as if someone is trying to hurt him.
All of those signs point to a post traumatic stress disorder. This could only happen if in his personal mind, he still believed that he is on a battlefield, even if now he is currently at home. The horrible experience that he face on the battlefield still haunting his mind .
the answer is the D) since it might happen that the country is in the middle of a big disaster and it is receiving hep and the gross domestic product is reflecting this help which doesn't mean that the economy of that country is healthy.
I think it was because we really don't know what exactly happened in the past. Also, I'm pretty sure people did not keep track of colored people back then.
