Answer:
It is one of the Great Russian Regions and has been described as the world's largest unbroken lowland. Also known as Zapadno-Sibirskaya Ravnina
Explanation:
Large plain that occupies the western portion of Siberia, between the Ural Mountains in the west.
Help ensure the economic stability of the new nation
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However, feudalism decline mainly begun when feudal lords were allowed to pay armies rather than fight themselves in the battles. More also, the black death made labor scarce and worthy commodity, at the same time when the peasants migrated to urban areas. Emergence of new towns, and trade opportunities also entrenched the kings powers and made the government centralized. other factors included the crusades and the age of exploration.
The oldest Terrorist group was known as "The black hand" they assassinated Archduke Franz and that our break the war. The organization wanted to cause terror to Austria. They organized from Serbia in 1911, it's more like a secret military society.<span />