Complex sentence: Between July 1926 and March 1927 Peng campaigned in Hunan, participating in the capture of Changsha and Wuhan; and, under general Ho Chien, the Battle of Fengtai, in which Wu Peifu was decisively defeated.
Split into simpler sentences: Between July 1926 and March 1927 Peng campaigned in Hunan, participating in the capture of Changsha and Wuhan. Under general Ho Chien, Peng participated in the Battle of Fengtai, in which Wu Peifu was decisively defeated.