Original sentence: It could be explained by a desire to categorize and label all people, including children of mixed nationalities.The existence of this designation on a census was justified by the ethnic diversity of the country.mixed marriages — children of parents of two different ethnicities — sometimes just people who had no other options, and sometimes people who were raised wholly in the Yugoslav spirit;
Edited sentence: Children of mixed nationalities needed labels; this was the best they had.The existence of this designation on a census was justified by the ethnic diversity of the country and explained by Tito's regular habit of spying.mixed marriages — children of parents of two different ethnicities;