(( I have this headcanon that Clarisse shoulders the guilt for most of the deaths in the Battle of Manhattan. Because, in hindsight, if she hadn't been so damn stupporn and come to Percy's call to battle, those deaths could have been prevented))
I actually think so too, after all we see how she reacted to Silena’s death alone. Could you imagine how many other people she cared about that died? And on that point, many kids could have been saved on the bridge too if she had just let the Apollo cabin keep the chariot.