Liu Bang (256 - 195 BC), Emperor Gaozu of the Western Han Dynasty, is the first emperor of the Han Dynasty (202 BC - 220 AD). As an outstanding politician, strategist and director, he made great contributions to the development of Han people and its culture. In 206 BC, he rebelled against the despotic rule of the Qin Dynasty (221 - 207 BC) and together with Xiang Yu, led the uprising army against the Qin. In October of 206 BC, he and his army attacked Xianyang, the capital city of the Qin and overthrew the Qin Dynasty.
<span>In his youth, he was considered as a futile boy because he usually played truant and seemed to have no ambition. Later Liu was very lucky to be a low-ranked official in Sishui and, to some degree, was well-known among the neighborhoods. One day, as he saw Emperor Qin Shi Huang sitting in a delicate and gorgeous carriage he admired so much, thought that it should be a real man to be bestowed such luxuriant treatment. Since then, Liu started to show his distinct personal strength. </span>
The open door policy was received with almost universal approval in the united states and for more than 40 years it was a cornerstone of america foreign policy in east Asia.
