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
China–India relations claimed by both China as well as India's ally Bhutan. On 18 June 2017, around 270 Indian troops, with weapons and two bulldozers, entered Doklam to stop the Chinese troops from constructing the road. Among other charges, China accused India of illegal intrusion into its territory, across what it called the mutually agreed China-India boundary, and violation of its territorial sovereignty and UN Charter. India accused China of changing the status quo in violation of a 2012 understanding between the two governments regarding the tri-junction boundary points and causing "security concerns", which were widely understood as at its concerns with