All of them were famous during this part of the century, except for A. Mark Twain. He was famous during the LATE part of the 19th Century.
Explanation:
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Fresh change creates new opportunities An promises it gives the people something to work towards.
The correct answer is b.) All three developed progressively more accurate models of our solar system.
Indeed, Copernicus proposed the heliocentric model, placing the Sun as the center of the universe and not Earth, in the 15th century. Kepler discovered the three scientific laws of planetary orbit around the Sun in the 17th century. Newton created the laws of universal gravitation and motion in the 17th century as well, basing a good deal of his research on Kepler’s work.
The United States state that was the least affected by these new policies was "<span>Florida," since Florida's oil exports and production during this time were slight compared to the other states in question. </span>