I Am an American. What the Fuck Is This Sword Bullshit?

The Romans were able to more effectively marshal military resources than any other power because their original army was made up of fucking yeoman. The real civil war hinge point is, as Harry Turtl pointed out, if the federal's don't get a hold of Lee's orders when he invaded Maryland. But there is also, I guess you could say what if Longstreet had been listened to and they tried to outflank Medes army on third day of Gettysburg instead of direct frontal assault.