Kou Voravong
The political crisis caused by his assassination, barely two months after the Geneva Agreements which prepared to restore peace in Indochina, contributed to bring down the current neutralist government (pro-French) which was replaced by a progressive one (pro-American) in extremely tense atmosphere of the Cold War between Russia and the United States. From 1955 indeed, the political history of this small landlocked country fell trapped inexorably in the ideological confrontation between the capitalist United States and the communist Soviet Union, annihilating any hope of national unification.
Cui Hao
Modern historian Bo Yang believed there to be two probable reasons to Cui's death:Bo's analysis is itself speculation, but might be considered a reasonable explanation for what happened to Cui. Bo also believed that Cui was poisoned—which would explain why he was not able to respond at all to Emperor Taiwu's interrogation, and was later only yelling "Ao Ao" in lament, unable to say anything.