Compare the process of creating the ancient Russian and Mongolian states.

Mongol Empire:

The tribes of Mongols and Tatars were united in 1206;
The tribes united under the rule of a strong leader;
Then the territory of the state began to expand at the expense of the conquered lands.

Kievan Rus:

Slavic tribes were united in 882;
The tribes united under the rule of the grand duke;
After that, other tribes joined the territory of Russia.
We can say that the process of creating the Mongolian state and Rus has many similar features.