From Central Asia, they spread into China in the 2nd century CE. These forms of Hinayana were later combined with Mahayana aspects that came through this same route from India, with the Mahayana eventually becoming the dominant form of Buddhism in China and most of Central Asia. The Chinese form of Mahayana later spread to Korea, Japan and Vietnam. Buddhism became prominent in merchant communities and then spread throughout the Mauryan empire through commercial connections and along trade routes. In this way, Buddhism also spread through the silk route into central Asia. Aśoka and the Mauryan Empire Further information: Ashoka the Great and Mauryan empire.
The answer is A and C. Some of the members started to feel the effects of the rising inflation and didn't agree with it at all, but they were not given a choice. Economic growth slowed down and there was less money.