What if Vietnam wins in the war with Cambodia and rebuild the Federation of Indochina? Maybe the Vietnam would be the hero as liberate the Cambodian from Rouge Khmer. And the Authority would claim the China's Guangdong , Guangxi and even Hong Kong and Macau. As the history of South Yue kingdom in the Qin fall and early Han Dynasty of ancient China. The China and Fed Indochina might on the road to war.