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 countries. They entered China at a time of growing power by the British East India Company, but were initially restricted from living and traveling in China except for the limited area of the Thirteen Factories in Canton, now known as Guangzhou, and Macau. In the 1842 treaty ending the First Opium War missionaries were granted the right to live and work in five coastal cities. In 1860, the treaties ending the Second Opium War with the French and British opened up the entire country to missionary activity. Protestant missionary activity exploded during the next few decades. From 50 missionaries in