The Soviets quelled opposition by arrests , deportations and executions .
The Soviet government annexed half of the Polish territory now under its control and in November declared that the 13.5 million Polish citizens who lived there were now Soviet citizens .
The Soviet quelled opposition by arrests , deportations and executions .
The Soviet government annexed half of the Polish territory now under its control and in November declared that the 13.5 million Polish citizens who lived there were now Soviet citizens .