<u>The Major Dynasties of China: Part 1</u>
- Shang Dynasty (c.1600-1050 BC)
- Zhou Dynasty (1050-256 BC)
- Han Dynasty (206 BC-AD 220)
- Sui Dynasty (581-617)/Tang Dynasty (618-907)
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Well based on the fact that the very first patented rock crushing machine was made in the year 1830, and the first successful, Eli Whitney Blake's, was in 1858, I'd say the development process was around 30 years.
Cumberland road and US Route40
It is the third option .It resulted in colonies in Africa and Asia being granted independence.
The articles of Confederation prevented the gov to tax the people, and money is a huge power needed for a government to become overpowering. Why were the states afraid of centralized authority and a strong national government hope it helps