1)By 1940 Stalingrad had already been the largest industrial and cultural center of the Volga region, doesn't it?
2)The victory over the nazis made the city world famous,doesn't it?
3)On November 10, 1961 Stalingrad was renamed into Volgograd,doesn't it?
4)The peaceful life of Stalingrad was interrupted by the war, doesn't it?
5)The city became an important river-port and commercial center, doesn't it?
Но это не точно!!!