What difference in mentality can be seen in different regions of Russia?

... differences between Kazan, Ufa, and Chelyabinsk are less noticeable than are the differences between France, Germany, and Italy, because of this shared civilization that runs through all of the former Russian Empire. Like the United States, Russia is a melting pot, yet in Russia, ethnicities are more deeply-rooted and do not melt away to the extent they do in the US. The reason is obvious. America is a nation of immigrants. Different ethnic groups have settled down in various regions, but they are not ...