The answer is C. Did little to change American attitudes toward Growth and Expansion
The Panic of 1819 was the first major financial crisis in the US, but it doesn't stopped US attitudes towards Growth and Expansion, we still continued to do westward Expansion in the middle of financial crisis ( We acquired Ohio and northern Mississippi around year 1820)
The Tang and Song rulers supported a new form of Confucianism called neo-Confucianism.
Explanation
Confucianist ideologies were popular in China from the period of Han dynasty itself. It was developed by Confucius in 551-479 BC. The influences of Taoist and Buddhist ideologies were strong during the reign of Tang and song rulers.
The Confucian scholars then integrated the elements of Taoism and Buddhism into a single ideology which came to be known as neo-Confucianism that gained the approval of the rulers.
The value of cash crops influenced Southern farmers decision to use slaves because of the cost of slaves. During the 18th and first half of the 19th century, slaves were considered property. This meant that they could be bought and sold. With this mind, it was cheaper to buy and own slaves in comparison to using another type of labor system like indentured servitude. This is because indentured servants were only worked for the farm owner for 4-7 years. Whereas in slaves could be kept indefinitely.