Is the Confederate Flag Racism or Heritage or something else?

Im doing this pole in reference to another question since it can't be added to it after the fact. No response is necessary if you don't want to, just trying to take the survey. If you'd like to comment you can go to this thread as well. https://www.rallypoint.com/answers/displaying-the-confederate-flag-on-your-pov-or-person-while-on-a-military-installation