Answer:
lots of things made them leave
Explanation:
Drought was a big reason but also because the people weren't clean which probably caused health problems. There was also alot of pests and while animals among the area. There was also volcanos and violence happening. Archaologists were really unsure they thought they left abruptly, but now they say they were forced out because of the things that were there to endure.
Nickname comes from his mentor, Andrew Jackson, who was called Old Hickory. Polk entered Congress in 1824, when Jackson won the popular, but not the electoral vote to John Quincy Adams. When Jackson won both, in 1828, Polk became his protege.
Answer:
C: The stimulation of agriculture by technological innovation
Explanation:
The popularity of Champa rice can be marked to centuries ago when there were not more types of rice cultivated. Champa rice was introduced to the southern part of China from Southern Vietnam. One of the advantages of this crop was that it facilitated double cropping as it matured in less duration. The adoption of machinery and equipment helped to grow the crop in an enormous quantity. Improvement in the irrigation facilities also helped the crops t flourish and grow in a large amount.
