It was "the Golden Horde" who undertook the task of conquering Russia, although it should be noted that many other groups have attempted to take this land in the past as well.
Han in the Xiongnu were several of the battles from "133 BC to 89 AD". During the reign of the WU emperor where the Han Chinese won over the Xiongnu, before these battles the Xiongnu were a nomadic group that reigned in modern Mongolia.
During these battles political instability was generated, producing that the state of Xiongnu was divided in 2 parts and had crisis of successions, having massive revelations between its towns the Wusun, Wuhuan and Dingling.
In 60 BC Han China established the protectorate in the western regions beginning the decline of the Xiongnu reign.
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One of the most effective tools utilized by management was the introduction of scabs or replacement works. The purpose of any strikes is to destabilize the work regimen in a plant or factory to obtain concessions from management. Scabs disrupt this process by crossing picket lines and continuing the work process. In this way, the strike is essentially undermined. Moreover, the striking workers were not allowed to return and thus forfeited their jobs.
Native Americans were continually pushed out of their homeland and much of the natural world of the American west was destroyed to make way for the settlers