How did Wang Mang usurp the throne?

After Wang Mang usurped the Han Dynasty, he ruled 15 years. From 9 to 23 AD, Wang Mang changed the name of the country to "Xin", with Chang 'an in the west and Luoyang in the east.

At the end of the Western Han Dynasty, social contradictions intensified. Because of his outstanding political talent, Wang Mang is regarded as the only person who can break the situation, and even known as "the Duke of Zhou is near-re-embodiment".

But at the end of the new dynasty, there was chaos in the world and the rebels invaded Chang 'an. Wang Mang died in the disorderly army. /kloc-ascended the throne in 0/5, at the age of 69. The new dynasty has also become one of the shortest-lived dynasties in history and has not been recognized so far.