The Copernican Revolution changed Europe's GOVERNMENT AND RULING CLASS
Knights were indeed lower than vassals and held less prestige in medieval society. It's not true though, that knights didn't have enough prestige in medieval society. Vassals swore to the king or the ruler of a region, whereas knights often swore to vassals, so they still had people under them, but they were not at the top.
Czar Nicholas II ordered partial mobilization of the Russian army on Austria_ Hungary. In 1914, mobilization was considered an act of war. Also, the reason he did this was because Russia was determined to support Serbia's cause.
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It was in Roman territory which was filled with cultural diffusion. Rome tolerated all religions as long as people payed taxes to the emperor to keep the peace. The emperor allowed other culture and religion so there wouldn't be an revolts against their own people. Later on a bad emperor Nero blamed Christians for a fire which changed things which led to the fall of Rome. Hope this helped!
Tashkent is the largest city in central asia