.... for most of the country it was a cause they believed in.
Regardless of what you and they may believe, New York City is not 'most of the country'.
Besides, we can't all have neat riots where the president threatens to have troops fire on woman and children like Richmond did. True sign of support for the rebel war effort, wasn't it?
Speaking of New York, I think the Southern belle on the right looks like something out of the cast of Les Miz, don't you?