NC would be pulled pork, can confirm. We have more pigs here than cattle, and the BBQ we're famous for is inherently understood to be a pork dish. We know Texas does steak, but that's their opinion with its own specific category.

I would think Iowa's loose meat sandwich is also....basically pulled pork? Only...it is "some type of unlabeled meat?" Which is not the best marketing a sandwich could have, but when you're hungry, you're hungry.