Open to the World:Impact of Han Dynasty's Openness upon Ancient China

Since Zhangqian found the route to the west region, the Han government kept providing room and board and security for businessman and travelers along the route, So the open to the world occurred in the Han dynasty and the silk trade developed. The silk trade fostered the silk-consumed fashion in Europe and improved the economic of the ancient china. The open to the world made the ancient Chinese understand the world. The silk-road led the whole world from separation to integration.