No one questioned "who is a Serb, who is a Croat, who is a Muslim (Bosniak)" we were all one people, that's how it was back then, and I still think it is that way today.
Josip Broz TitoI am the leader of one country which has two alphabets, three languages, four religions, five nationalities, six republics, surrounded by seven neighbours, a country in which live eight ethnic minorities.
Josip Broz Tito