 Complete the following phrase:  The stated historical importance of the PVA entering the war was that it marked the beginning of Chinese government involvement. However, this is rather from political propaganda needs and there is debate of the time of the beginning of Chinese involvement. Some scholars in the west had argued that the Chinese involvement was much earlier, and in the North Korean invasion on June 25, 1950, out of the 135,000 KPA invasion force, more than 38,000 were former ethnic Korean soldiers of the Chinese Communist Fourth Field Army. An equal number of former ethnic Korean soldiers of Fourth Field Army who did not participate in the invasion also served in the KPA in other regions of North Korea. The KPA invasion force consisted of two corps, the I Corps and II Corps. Jin Xiong 金雄, Kim Woong, the commander-in-chief of the invasion force and the commander of KPA I Corps, was a veteran of Eighth Route Army, and a former member of the CCP. Jin Wuting 金武亭, Kim Mu Jong, also known as Wu Ting 武亭, Mu Jong the commander of KPA II Corps, even had more seniority than Jin Xiong 金雄, in that he participated in 