It’s definitely A for sure
Nurse paragraph has to be lonely
They were passing through on their way to the West Coast.
They suffered heavy losses in human life and in some of their major cities. They knew USA wasn't messing around anymore when we nuked them. They knew they had no chance trying to fight anymore, they would have lose many lives at home.
The TET offensive affected the perceptions of the Vietnam War within the United States because it took the United States by surprise and forced the hands of the Americans and use totally unorthodox methods in the war. It actually made an American bomb and used it to kill any country that was an ally of South Vietnam.