Grazing animals contribute to the nutritional cycle
The byzantine traded with kiev Russia and they relied heavily on it, also leaders like Vladimir the 1 and Yaroslav brought Byzantine religion to kiev which became the basis for future Russia religion, art and culture.
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The Russians lived under Mongol rule for almost two centuries. During that time, the Mongol system was to place Vassal princes who were expected to pay tribute to the Mongols for the privilege of holding their own kingdom. The result was harsh rule that turned most Russians into serfs and destroyed the Russian economy, most importantly in regard to trade. Effects include halting Russia's technical development and relationships with other nations </span>Under the rule of vassal princes, the Russians were cut off from Europe and turned more toward the east in culture. The Russian language picked up words such as амбар, barn, and базар, bazaar from the Turkic languages. The architecture of St. Basil's Cathedral on Red Square has distinct Mongol and Eastern Styles. The dome shapes and use of tile may have been inspired by Kazan and the East.
Two hundred years of Mongol occupation in Russia influenced the development of Russian culture and economics.
Assuming your talking about Europe. At the bottom of the system there are Peasants, the lowest and most common. They work on fields and trade and barter. Next are knights. They protect the Peasants and Nobles. They usually get paid in gold or the Peasants goods. Next are Nobles, the rich. They buy Knights to protect them and are right below the king. They usually hire Peasants to work on their land for little pay. Lastly the king. They control everything. They have knights and Nobles and oversee everyone.
This was called an "iron curtain." Western powers noticed issues of blame and stepping up armaments, therefore having a negative response.
