The cold war affect Europe by dividing it between communist and Democratic countries, which essentially divided Europe into Western Europe and Eastern Europe. This divide caused tension, political unrest and economic difficulties.
The correct answer is converted to christian orthodox.
In 988 Vladimir prince of Kiev converted to christian orthodox in order to help to unify people.
The father of Vladimir was a prince in Rurik dynasty. Vladimir took over after the death of his father in 972. Before Vladimir taking over his father's post, he was a prince in Novgorod.
Vladimir consolidated the realm of Kievan from Ukraine, Baltic sea, Belarus and Russia. He unified people against Baltic tribes. eastern nomads and incursion of Bulgarian.
Those who were the followers of slavic paganism were being converted to christians by Vladimir and they were then christianized by Kiev Rus'
They were tasked with protecting the movement of trade goods. They also kept defense of the northern and western frontier against Indian and Mexican incursions, defense of the coast against Union invasion, and suppression of Union loyalists within Texas.
Mongols favored trade even before Ghenghis khan, they hunted/herded very few were weapon makers or potters/weavers, many items they needed to living had to be traded. As Ghenghis khan rose to he realized the Mongol army was gonna need many things for battles. To facilitate trade Ghenghis offered protection to merchants that came from east and west, offered higher status for merchants allowed by the Chinese or Persians who despised trade and traders.
During times of civic unrest such as riots, the national government can summon the national guard to its help if it thinks that the local forces cannot stop it or if the riots are going out of hand.