The correct answer is : China had been closed to most foreigners.
Deng opened China to foreign investment, the global market and limited private competition. He is credited with the development of China in one of the fastest growing economies in the world for more than 30 years and the rising standard of living of hundreds of millions of Chinese.
The answer is from both east to west and west to east
My friend I think this is D
B. Pressure from Nelson Mandela and the United Nations led to it's fall.