The correct answer is unemployed people
People get paid when they are sick from their companies while they are sick. Men of working age or people who need vacations don't get special benefits. Regular paychecks are nowadays paid to those unemployed and those disabled, so as to help them so they don't starve or anything similar.
I believe the answer is "social order".
Answer and Explanation:
The main argument put forward by "The War in Vietnam" is that communist forces in South Vietnam found it easy to infiltrate and camouflage themselves as a North Vietnamese to receive appropriate military training. The most convincing evidence that the author presents on this argument is that the northern military training is handled by the elite military force commanded by Hanoi, thus allowing the communist army to strengthen itself easily.