The confederate states won
I think that a good word for this would be "enthnocentrism": the belief that one's culture, or one's enthnicity is superior to others, or more important than others (even to oneself: so my culture is more important for me than other cultures: this also would count).
Answer:
Heavy taxation and compulsory labor duties caused widespread revolts and a brief civil war. ... After capturing Daxing (now Xi'an), Li Yuan declared himself Emperor Gaozu of the Tang Dynasty in the year 618.
Explanation:
Hope this helps :D