Simplify the following text for a Grade 12 native English-speaking person.
Original: The beginning of the 1950s saw a rapid population growth , to which the Soviet administration responded by constructing large-scale housing and palaces in the style of Stalinist architecture .
Simplified: The beginning of the 1950 's saw a rapid population growth , with which the Soviets responded by constructing large-scale housing and palaces in the style of Stalinist architecture .