The powder keg in the balkan’s refers to the

a: invasion of the region by outside forces

b: political instability of the region

c: efforts taken to ease tensions throughout the region

d: large number of munitions factories built in the region.

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B. Political instability of the region

Explanation:

The powder keg of Europe or Balkan powder keg was the Balkans in the early part of the 20th century preceding World War I. There were a number of overlapping claims to territories and spheres of influence between the major European powers such as the Russian Empire, the Austro-Hungarian Empire, the German Empire and, to a lesser degree, the Ottoman Empire, the United Kingdom and Kingdom of Italy.

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