Answer:
Step-by-step explanation:
In 991 CE, the last emperor of the Tang dynasty, Emperor Ai, was forced to abdicate his throne, resulting in a period of political turmoil and fragmentation known as the Five Dynasties and Ten Kingdoms period. This period was marked by the rise and fall of various regional regimes, which competed for power and territory. Eventually, in 960 CE, the Song dynasty emerged victorious and reunified China, ushering in a period of cultural and economic prosperity known as the "Golden Age" of China. So, to answer your question, in 991 CE, China was not unified, but rather divided into multiple regional kingdoms.