Answer:
D paper
Step-by-step explanation:
Paper was invented in China during the Han dynasty and it presents one of the greatest achievements of the society.
Thanks to the invention of the paper, written accounts could easily be transported wherever it is needed. This included information, documents, history, ideas, knowledge, communication, etc. Any kind of knowledge of information could be written down and sent to another person, which helped greatly in the intercultural development of the world and relations.
Additionally, the paper was light and easy to transport, so it could be sent pretty much anywhere without much effort. Thanks to the paper, people could share any kind of information fast even if they did not come to immediate contact.