Respuesta :
The answer is: Soviet troops refused to surrender or retreat.
Soviet troops had been taught since the time they joined to believe that surrendering or retreating without orders are one of the most dishonourable thing that a soldier could do.
This what made them feared by any other European countries. They are willing to abandon everything they have to fought for their cauntry's cause to the bitter end.
The Soviet troops were different from French and Polish troop because they refused to surrender or retreat.
How were the Soviet troops trained?
The soviet troops had been taught that surrendering or retreating without orders will be a dishonourable thing that a soldier could do.
As a result the troops are willing to abandon everything they have to fought for their country's cause to the bitter end.
Therefore, the Option C is correct.
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