Why was the balkans referred to as the powder keg as europe?

In reference to the bosnia crisis, as well as the first and second balkan wars, how did the balkans come to be known as the powder keg of europe?Why was the balkans referred to as the powder keg as europe?
The peoples of the Balkans are Slavic people evil and unruly. There are various religions: Catholic, Muslim, Greek Orthodox,always fighting among themselves, there are old traditions cruel.


There is a feud and rural culture based on the law of retaliation








By HWhy was the balkans referred to as the powder keg as europe?
';The ';Powder keg'; of Europe -sometimes alternately known as the ';Balkan Powder Keg,'; - refers to the Balkans in the early part of the Twentieth century. In this time period there were a number of overlapping claims to territories and spheres of influence between the major European powers such as Russia, the Ottoman Empire, and Austria-Hungary and, to a lesser degree, Imperial Germany, Great Britain, and Italy. In addition to the imperialistic ambitions and interests in this region, there was a growth in nationalism with the indigenous peoples of this region leading to the formation of the independent states of Greece, Serbia, Montenegro, Bulgaria and Albania.';