sentences:  Later he expanded his control to Wuzhou, thus controlling the routes through which opium both entered and left Guangxi.With his opium revenue Bai was able to build a well equipped and trained force.During the Yue-Gui Wars, Li Zongren had accompanied Lin Hu and Lu Rongting into Guangdong and led the rear guard when the Old Guangxi Clique forces retreated before Chen Jiongming's attack.