<span>Kepler's laws of motion helped overturn the earlier Aristotelian astronomical system which believed that the sun and planets revolved around the Earth. In order for the older system to work, a complicated mechanism known as "epicycles" was required to make the visible motions match the theory.</span>
The Mongols group was ming’s enemy in the north
<span>they say it was Risky because workers could be fired and replaced by cheap laborers such as immigrants and blacks</span>
Answer: 1) prospectors discover oil in Bartlesville, 2) Charles Haskell becomes the first governor of Oklahoma, 3) World War I begins, 4) Congress passes the Indian Citizenship Act
Explanation:
