Tie xue su de =: A war of ferociousness and cruelty between the Soviet Union and Germany/ Tie xue su de =: A war of ferociousness and cruelty between the Soviet Union and Germany / Tie xue su de/: A war of ferociousness and cruelty between the Soviet Union and Germany, War of ferociousness and cruelty between the Soviet Union and Germany. War of ferociousness and cruelty between the Soviet Union and Germany