The answer to your question is: Abrasion.
Abrasion occurs when sediments that are located on the shore of a lake, and an ocean accumulate along the shore.
The accumulation of sediment found along the shore of a lake or ocean is called a<em> Abrasion.</em>
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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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It is Important because an unusual occurrence in the realm of international relation