More than 4000 years ago, the Akkadians created the first official postal system. Are there any similarities to our postal system? How could the sender make sure the mail got to the right person?

Under the feudal system, which of the following did lords grant to their vassals?

Why did china build the great wall of china?

What do sellers do if they expect the price of goods they have for sale to increase dramatically in the near future? store the goods indefinitely regardless of when the price rises store the goods until the price rises and then try to sell them sell the goods now and try to invest the money instead of resupplying sell the goods now but try to get the higher price for them