But Deng Xiaoping had calculated that at most the Soviet Union would only limit attacks on border provinces such as Xinjiang and Heilongjiang. With its large numbers, large and dangerous land, China can confidently deal with a classical and conventional battle. Trucker to my dad son poster. China believed that the Soviet Union would not use nuclear weapons for Vietnam or be drawn into a protracted and consuming war. In addition, against NATO in the west, the Soviet Union would not be able to use its own force in the east. On the other hand.