jiǎng guì zhàn zhēng
confrontation of 1929 between Chiang Kaishek and the Guangxi warlord faction
蒋
jiǎng
surname Jiang
桂
guì
abbr. for Guangxi Autonomous Region 廣西壯族自治區|广西壮族自治区[Guang3 xi1 Zhuang4 zu2 Zi4 zhi4 qu1]
战
zhàn
to fight
争
zhēng
to strive for