Answer: Rus (Vikings)
The first Russians were from Kievan Rus, and they were called Rus. Later, the Vikings invaded/conquered Kievan Rus's European area, but it remained in far Asia until the Mongols invaded from Asia.
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<span>303,450 casualties, about a fifth of their troops</span>
D: shoguns at the top, daimyos in the middle, and peasants at the bottom.