The area of the Balkan countries is frequently plagued by ethnic conflict that generates tension among the nations. This tension has given away to several small conflicts and the trend continued. The location of the Balkans is strategically very important. I hope the answer helps you.
There would be two answers for this question. For the reasons that it could give people an idea of what cause the regional conflict taking place and it also influences the region's political and economic decisions. Furthermore, understanding the people on both of these regions would give us a keen understanding on how they are different from us.
People with an aa genotype will express a recessive trait