Answer:
B. It brought the discovery of the Chinese papermaking process.
Explanation:
With the spread of trade, Islamic countries could get more familiar with the outside world and other nations, influence them, and in turn be influenced by them. The Chinese had one of the biggest influences on them with their invention of paper and writing on it. Now, Islamic religious laws could be written down and paper and spread throughout countries to educate people on their religion.
I don't see how checks or medicine would influence religion, and arabesques already existed in the Islamic world.
A setting can influence a lot the story because it can provide the tone of your story and it can also offer the background symbolism and it can transform the premise and the potential of the whole story. The thing is that the setting can give a lot of posibilities and pose interest on the readers.
The author mainly focuses about the internet.