I will just say what I think on the Bulgarian-Serb subject. Lets imagine a scenario where a Herzegovian Serb person and a Central Balkan Mountain Bulgarian person have a child what is the child is it Bulgarian or Serbian? In my opinion the answer here is obvious its both Bulgarian and Serbian at the same time and whether other people outside of that scenario like it or not doesnt really matter. So to get to the point are the people who originate in NE Macedonia which is in reality part of the Shopluk, NW Bulgaria and Eastern Serbia Bulgarians or Serbians, I think they are both.