But the city grew rapidly by filling the void with new rural migrants elsewhere from Ukraine and industrial professionals invited from all over the Soviet Union .
But the city 's grew rapidly by filling the void with new rural migrants elsewhere from the Ukraine , industrial professionals invited from Russia as well as other Soviet republics .
But the city 's grew rapidly by filling the void with new rural migrants elsewhere from the Ukraine , industrial professionals invited from Russia as well as other Soviet republics .
Change to simpler wording: But the city grew rapidly by filling the void with new rural migrants elsewhere from Ukraine and industrial professionals invited from all over the Soviet Union . Output: