Modern nations have a different version of national. It is more like a certificate you can apply for. By that definition, national identity is made up. The oth

Modern nations have a different version of national. It is more like a certificate you can apply for. By that definition, national identity is made up. The other def, national identity is carried by the bloodline through the father. But I believe that one way or another every society converges to a nation anyways. By the bloodline. When there are enough marriages several generations later.