The correct answer is C, Scholars of the Middle Ages said that one could not understand the universe, while Galileo said that this understanding was possible.
Answer: According to history, the Native Americans contracted the diseases brought over from Europe by the first settlers, and since the Native's immune systems had never been in contact with these diseases, many died.
Short answer: American Indian populations were decimated by diseases brought by the Europeans.
The Neolithic Revolution—also referred to as the Agricultural Revolution—is thought to have begun about 12,000 years ago. It coincided with the end of the last ice age and the beginning of the current geological epoch, the Holocene.