Answer:
Just start of by thinking of all the methods of management power, write it down, then write what they are and do, whitch one can your relate to, and why can you relate to it. thats your real anser.
Answer:
Gunpowder, compass, and water-powered clock.
Explanation:
These three items were most demandable in trade from China. These brilliant inventions are still used today. Hope this helps!
Answer:
by inclined axis and the revolution of the eart
