very interesting list. 
I have no issue with those monuments that went up in early 1900s. 
I have a HUGE issue with those that are going up in 1990s, 2000's, etc. in states that had LITTLE to do with the confederates. 
AZ?
WTF is a confederate monument doing there, let alone MULTIPLE monuments. 
Texas is understandable since they are total liars. When I was a kid and living there, I was taught that they sat out the war, though I read up a LOT MORE in college and found out that they were very active for the south. 

Still, These new monuments should NOT be allowed. I have SERIOUS issues with those.