Answer:
Serfs worked for their lord's protection, and enslaved persons had no protection.
The Answer to the question is A
Additional money on Social Security can actually lead to an increased security in the country, something the military also wants to achieve.
Specifically, it will decrease a number of people in desperate positions who are more likely to commit crimes.
So for example, decreasing poverty can be more effective as a anti-terrorism measure because it decreases people's desperation, which often leads them to join gangs and terrorist groups.