Answer:
Copernicus.
Explanation:
Copernicus believed the sun was in the middle of the solar system. He even wrote a book about it called "Revolution of the Celestial Spheres."
<em>Hope this helps :)</em>
The earliest Chinese people did not have to worry about invasions from foreign countries because of their strong army and geography. The Chinese army present in ancient times were very strong and able to defend their lands. Chinese also build china wall in order to protect their lands from the invasion of other people. The geography of china also made difficult for the invaders to capture china.
In general, a major result of more farms becoming mechanized was that "farm workers became rural entrepreneurs, although it should be noted that this was not universal.
