Original sentence: After the successful unification with Eastern Rumelia in 1885, Bulgaria embarked on long term expansionist policy to incorporate the multi-ethnic region of Macedonia, then under Ottoman rule
Edited sentence: After the successful unification with Eastern Rumelia in 1885, Bulgaria embarked on long term expansionist policy to incorporate the multi-ethnic* region of Macedonia, then under Ottoman rule.At that time the entire balkan region was mutli-ethnic.The majority of the population in Macedonia was undoubtedly of bulgarian ethnicity