 Complete the following phrase:  Yang had a long and eventful military career, serving as both battlefield commander and political commissar. He fought in the Second SinoJapanese War and subsequently in the Chinese Civil War, which led to the victory of the CPC and the establishment of the Peoples Republic of China in 1949. From 1949 until 1966 and the outbreak of the Cultural Revolution, Yang continuously served in the Southwest, and took part in the 