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
Japanese missions to Imperial China to learn the then advanced production technology, social system, history, philosophy, arts and architecture. Among many items adopted by Wa: Japanese envoys to the Ming court were received as ambassadors. During Japan's self-imposed isolation in the Edo period (1603–1868), Japan's vicarious relationships with China evolved through the intermediary of the Kingdom of Ryukyu. Japan's view of external relations was ambivalent. Japanese missions to Imperial China The Japanese missions to Imperial China were diplomatic embassies which were intermittently sent to the Chinese court. Any distinction amongst diplomatic envoys sent from the Imperial Japanese court or from any of the Japanese shogunates