nprofile1qyt8wumn8ghj7un9d3shjtnyd968gmewwp6kytcqyph92mlzg5mma3fkhmewde4kyshtervjvg4dznz0sjjdavv4ssxfq28q5jc (nprofile…q5jc) nprofile1qyt8wumn8ghj7un9d3shjtnyd968gmewwp6kytcqypmmyjd6ghvp6jtsrv40zjz4r0f3chczgx0cft3t24x05jnma97vxrdszc4 (nprofile…szc4) having lived in the south for most of my life (I only briefly escaped, though I don't exactly fit in culturally), in my experience the most reliable demarcation of "The South" is the sweet tea line, i.e., where sweet is the norm, before it fades to unsweet in NoVA, south FL, etc.
I myself don't do the high test sweet anymore but still go for "half and half tea", which is another southernism I suppose.
I'll add collards to the food list, slow cooked with pork and vinegar.