China–India relations major economies in the world. Growth in diplomatic and economic influence has increased the significance of their bilateral relationship. Cultural and economic relations between China and India date back to ancient times. The Silk Road not only served as a major trade route between India and China, but is also credited for facilitating the spread of Buddhism from India to East Asia. During the 19th century, China's growing opium trade with the East India Company triggered the First and Second Opium Wars. During World War II, India and China both played a crucial role in halting the progress of Imperial
Protestant missions in China Chinese, treating thousands of patients. The defeat of China by Great Britain in the First Opium War resulted in the Treaty of Nanking in 1842 which opened to trade, residence by foreigners, and missionary activity five Chinese port cities: Guangzhou ("Canton"), Xiamen ("Amoy"), Fuzhou ("Foochow"), Ningbo ("Ningpo"), and Shanghai. Protestant missionary organizations established themselves in the open cities. In the Second Opium War (1856–1860) Great Britain and France defeated China. The Convention of Peking in 1860 opened up the entire country to travel by foreigners and provided for freedom of religion in China. Protestant missionary activity increased quickly after this