My favorite part of Chester hitting Grace is the fact that he was about to hit her in the leg. He consciously thought to himself “no, not the leg. This would be a good time to hit her RIGHT IN THE FACE”
We joke about Steve’s patriotism as his strong suit, but his actual strength was his sense of moral right. His whole philosophy is summed up in the line “I don’t like bullies” in the first movie. Steve loves his country. He loves it enough to be at the front of the line trying to fix what he sees as moral wrong in it.