Realpolitik.
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It's a theory where politics are based on practical matters rather than theory/ethics.
Answer:
When prices fell during World War I, farmers tried to produce even more to pay their debts, taxes and living expenses. In the early 1930s, prices dropped so low that many farmers went bankrupt and lost their lands and farms.
The Balkans were known as "the powder keg of Europe" because they were ready to "explode" at any moment, with tensions from multiple countries in the region.
