Why was nationalism a driving force behind communism in China?

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1 point
Nationalism united the rural people in China to stand behind communism as a form of government
Nationalism was used by Chiang Kai-shek to rule with the Chinese Communist Party (CCP).
Nationalism was a driving force behind entering into a treaty with Japan after the Second Revolution Period.
Nationalism was used by the Chinese Communist Party (CCP) to divide the people of China.
Which of the following options best describes patterns in the development of math and science during the Tang Dynasty?

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1 point
Tang Dynasty rulers viewed math and science as being too connected to Confucian philosophy, and they outlawed texts on these subjects.
The Tang Dynasty removed mathematics from the curriculum of the Imperial Academy, focusing more on history and literature instead.
The Tang Dynasty lost much of the works on math and science from previous eras, and had to start over from scratch.
Tang Dynasty scholars built on earlier developments in math and science and were probably influenced by Indian scholars.

Tang Dynasty scholars built on earlier developments in math and science and were probably influenced by Indian scholars.