They wanted to show that they had control over the territory where they set up blockades that isolated the West as act of strength on their part.
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:
