Tatar-Mongol invasion and its consequences

This article is devoted to the Tatar-Mongol invasion. We have described the causes of the conquests and the socio-economic stages that took place among the Mongol tribes. Revealed the results of the battle on the Kalka, a trip to Russia Batu Khan, etc. During work was analyzed the reasons for the defeat of the Russian troops and the consequences of the Mongol invasion