Answer
Empress Dowager Cixi launched a coup in 1898 that stopped Guangxu's reform. Guangxu was the emperor of China from 1875 to 1908. He was known for his efforts to modernize China and introduce Western ideas. However, his efforts were opposed by Empress Dowager Cixi, who was the real power behind the throne. In 1898, Cixi launched a coup and imprisoned Guangxu.