Original sentence: - 108 BC) of Korean history.According to Sima Qian, Wiman was a general from the kingdom of Yan established in the early years of the Han Dynasty, who submitted to Gojoseon's King Jun.Emperor Wu of Han thought that Wiman Joseon increasingly threatened Han China, and Wiman Joseon would ally with the Xiongnu.In 194 BC, he established Wiman Joseon and decided to locate his capital in Wanggeom-seong (왕검성, 王險城).In this period, Wiman Joseon expanded to control a vast territory and became strong economically by controlling trade between the Han Dynasty and the peoples of Manchuria.It began with Wiman's seizure of the throne from Gojoseon's King Jun and ended with the death of King Ugeo who was a grandson of Wiman.Wiman Joseon (194–108 BC) was part of the Gojoseon period (2333 BC
Edited sentence: According to Book of  Later Han, Wiman was a general from the kingdom of Yan established in the early years of the Han Dynasty, who submitted to Gojoseon's King Jun.Emperor Wu of Han thought that Wiman Joseon increasingly threatened Han , and Wiman Joseon would ally with the Xiongnu.In 194 BC, he established Wiman Joseon and decided to locate his capital in Wanggeom-seong ( 王險城).In this period, Wiman Joseon expanded to control a lager territory and became strong economically by controlling trade between the Han Dynasty and the peoples of Korean.Though Wiman was his feudal marquis or king,the Emperor thought it necessary to  vanquish Wiman.Wiman Joseon (194–108 BC) was a ancient kingdom of Chinese histry though its land is now in the North Korea.Wiman was Chinese and its kingdom was subsidiary of Chinese Qin Dynasty and Han Dynasty and  later became direct territory of Han Dynasty.and ended with the death of King Ugeo who was a grandson of Wiman