по английскому, ответить на вопросы! заранее b When did Kazan lose its role as a fortress? c.Were the People of Kazan ready to resist Pugachev's army? d.What were the main achievements of Kazan as a city of the 19th century? e. What favourable change became evident in Kazan in the 20th century? f. Why do we say that Kazan is filled with creativity future?