The Russian empire under Tsar Nicholas ii changed her focus from the lost Manchuria and Korea region to the Balkans states. This renewed an old rivalry with the Austria Hungary empire which also had a distinctive interest in the region. while the war was declared on Siberia, after the assassination of Ferdinard and his wife Sophie, the main target of the war was Russia.
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Answer:
Spheres of influence are areas in which the imperial powers had exclusive trading rights or railroad-building and mining privileges. Granting Europeans these rights weakened the power of the Qing.
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