Both the Hopi and Navajo use it as a symbol of well wishing.
FWIW Last week I took a pic of a swastika that was made on a canyon wall in the 1500s. Last year I purchased a Navajo storm pattern rug that IIRC has two swastikas on it. And lastly, in Mountainair NM there is an old hotel that has two swastikas on the front of the building.
As with the Stars and Bars, it's all a matter of perspective.
As for the War of Northern Agression, it's a matter fact coupled with perspective. It wasn't about slavery. Read some real history if you want to know why the South seceded. My perspective is they were right in doing so.
Hey if the south wants to succeed, I say by all means we should let them