>>12527149 (PB)
"The violence got so bad, President Lincoln also sent battle-hardened veterans who just finished fighting at Gettysburg to New York to restore and maintain order."
This could be where the 10th Mountain Div. comes in since they are just getting back from Afghanistan?
https://www.military.com/military-life/6-times-military-was-used-suppress-civilian-uprisings-us.html