They provided silk
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Answer:
southern Russia
Explanation:
Tamerlane's battles with the Golden Horde in the 14th century in southern Russia, weakened the Mongol hold in that region. This allowed Russian vassal states to gain power but unable to completely unify, the Russian prince remained vassals of the Mongols until 1480.
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Answer:
Earthquakes -the physical phenomena of ground shaking, surface fault rupture, and ground failure and, in some coastal areas, tsunamis. Smaller earthquakes, aftershocks, may follow the main shock, sometimes several hours, months, or even several years later.
Volcanoes-serious damage is restricted to small areas compared with the extent of damage from large floods or great earthquakes. Yet volcanic eruptions can take a high toll in human life and property.
Explanation:
Goods are usually carried on large barges that go through the Volga river, Russia's most valueable geographical asset due to its large extent from East to West.