Notes

1a - flying cash in china which provided stability and convenience. deposit money at one location, withdraw i t from smother
1b - many cities became oases on the trade routes, where the merchants could take a break from a long journey as well as exchange goods. Those cities flourished as the markets situated in them expanded and the volume of trade increased.
1c - the markets in thew big cities described above did not just serve as a place for exchange of goods, but also social exchange. City of Samarkand, for instance, was a stopping point for merchants from many different backgrounds, so followers of Christianity, Buddhism, and Islam all traded with each other, simultaneously diffusing their culture

3a Champa rice was introduced to china from Vietnam during the tang dynasty. This type of rice could produce more crops a year and it, combined with other agricultural innovations, led to expansion and urbanization of China, as well as a spike in Chinese population
3b - elites of Silla kingdom in Korea showed great interest in neo-Confucianism, while the Korean masses were attracted to Buddhism. Both religions spread to Korea from china, with whom it had a tributary relationship
3c -despite being conquered by china, Vietnamese people were not willing to adopt all of the Chinese customs. Patriarchy, for instance, played a much less significant role in the Vietnamese society than it did in Chinese, and women enjoyed much more freedom, especially in business.