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.
B: Palmer Raids
C: Fear of Bolshevism
Lincoln did not have time to implement his plan prior to his death, so President Johnson took over Reconstruction.
The answer is A. Hope it helps