Bulgarian language was to be exclusively used, Serbian Cyrillic was forbidden, Serbian priests were arrested and deported, Serbian-sounding names had to be changed to Bulgarian ones, schoolteachers were brought from Bulgaria while Serbian books were taken from schools and libraries and publicly destroyed. Adult males were sent to labour camps or forced to join the Bulgarian Army, representatives of the Serbian intelligentsia were deported  or executed. According to Paul Mojzes the aim of the Bulgarian government was to create pure Bulgarian territories by denationalizing the non-Bulgarian Slavic population of Macedonia.