Analysis of information sources in references of the Wikipedia article "Wu Zetian" in English language version.
By the 7th century, briefly, Buddhism becomes the state religion of China. It was an Indian takeover. A whole cast of characters – not just politicians, but astronomers and mathematicians – take over the court in China.
內輔國政數十年，威勢與帝無異[She assisted the emperor in governing for decades, with authority and power no different from the emperor.]
母楊，慟泣與訣，后獨自如，曰：「見天子庸知非福，何兒女悲乎？」母韙其意，止泣。[[Wu's] mother Yang was wailing and lamenting while parting with her. Wu was indifferent, said: "How do you know seeing the Son of Heaven is not a blessing? Why are you being sad about this?" Yang understood and stopped crying.]
太宗聞武士彠女有才貌，召入宮，以爲才人。時上在東宮，因入侍，悅之。[Taizong heard the daughter of Wu Shiyue is talented and beautiful; he called her into the palace and given her the title cairen. At that time, Li Zhi was in the eastern palace, and because she served him, she also pleasured him.]
太宗崩，隨嬪御之例出家，爲尼感業寺。上因忌日行香，見之，武氏泣，上亦潸然。時蕭良娣有寵，王皇后惡之，乃召入宮，潛令長髮，欲以間良娣之寵。旣入宮，寵待踰於良娣，立爲昭儀。[When Taizong died, Wu became a nun at Ganye Temple, according to the customs of concubines of deceased emperors. Gaozong was offering incense at the anniversary of Taizong's death when he saw Wu, who cried. Gaozong also wept. At the time, Pure Consort Xiao was favored by Gaozong, and Empress Wang disliked Xiao. Thus, Wang called Wu into the palace, secretly instructing her to grow her hair back, hoping Wu would compete with Xiao for Gaozong's favour. After entering the palace, Gaozong treated Wu more favorably than Xiao and gave her the title Zhaoyi (Lady of Bright Deportment).]
太宗聞武士彠女有才貌，召入宮，以爲才人。時上在東宮，因入侍，悅之。[Taizong heard the daughter of Wu Shiyue is talented and beautiful; he called her into the palace and given her the title cairen. At that time, Li Zhi was in the eastern palace, and because she served him, she also pleasured him.]
武后頻見二人被髮瀝血為厲，惡之，以巫祝解謝，即徙蓬萊宮，厲復見，故多駐東都。[Wu often sees [in her dreams] the two [Wang and Xiao] in bloody shape, and she disliked it. She tried wu (shaman) practices and moved to Penglai palace, yet still seeing them. Therefore, she mostly lived in the eastern capital from then on.]
