What events motivated china to launch its self-strengthening movement in the 19 century?

China's Self-Strengthening Movement in the 19th century was motivated by several key events, notably the Opium Wars (1839-1842 and 1856-1860), which exposed the country's military weaknesses and led to humiliating defeats by Western powers. The Treaty of Nanking (1842) and subsequent treaties revealed the dire need for modernization to defend China's sovereignty. Additionally, internal strife, such as the Taiping Rebellion (1850-1864), highlighted the vulnerabilities of the Qing dynasty, prompting leaders to adopt reforms aimed at strengthening the military and modernizing the economy.