Answer:
Without a twelve month calendar, people would not know how to meet up at the same time. People would say, see you in 218 days, and they wouldn't be able to plan far in the future. Without a number system, we could not pay for things, and without wheels we could not go anywhere and lots of technology would become obsolete.
Explanation:
Textiles, teas, and other industrial goods of that time.
Answer:
Different empires, different reasons
Explanation:
Some expand for resources, others for religion, some empires just want extra territory, and some just for power.
