Original sentence: A big part of the population of Bulgaria believes that lands, population, traditions, language of the Republic are historically Bulgarian.Bulgaria gives the Slavs in the Republic the right to obtain Bulgarian citizenship and about 10% of them have already taken advantage of this
Edited sentence: Also a big part of the population of Bulgaria believes that lands, population, traditions, language of the Republic are historically Bulgarian.Bulgaria gives the Slavs in the Republic the right to obtain Bulgarian citizenship and about 10,000  of them have already taken advantage of this but mostly for avoiding high taxes when buying cars or much easier obtaining of international visas.The goverment of Bulgaria is trying to show this as macedonian recognition of their bulgarian ancestry