An embargo is usually created as a result of unfavorable political or economic circumstances between nations.
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Answer:
Serbian nationalism increased tensions within Europe before World War I. Serbia wanted to create a pan-Slavic state in the Balkans which included Bosnia-Herzegovina, held by Austria-Hungary. Serbia was allied with Russia and Austria was allied with Germany. Russia allied with France. A war between Serbia and Austria threatened to involve the whole of Europe.
Explanation:
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I believe the answer is B. and E.
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