Great Tang: From the Start, I Made Li Er Choose Why the Tang Dynasty Would Fall

He transmigrates to the twenty-second year of the Zhenguan era and becomes Li Ke, Prince of Shu.

Knowing he has no chance of claiming the throne, he decides to be a prince who lies flat. Fortunately, he activates an Answer-the-Question System and pulls Li Er into a pocket dimension right from the start!

Li Shimin: "That unworthy descendant of mine, Li Longji, actually ruined my Great Tang for the sake of one consort!"

Wu Mei: "The Great Zhou's female emperor, Wu Zetian... A woman can actually become emperor!"

Li Zhi: "Women are terrifying. I need to stay away from Wu Mei..."

…

"The contestant is Li Shimin."

"Which of the following was the direct cause of the fall of the Great Tang?"

"A: Invasion by foreign enemies; B: Peasant uprisings; C: Eunuchs seizing power; D: Military governors ruling independently!"

This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.