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Laos and Cambodia fell to communism.
The poorest place in Indochina (referring to the Indochina peninsula) is Myanmar.
Indochina Indochina
France ruled it, and this is why it was called "French" Indochina.
The 1st Indochina War was to oust the French; the 2nd Indochina War was to oust the US. Both Indochina Wars involved the communists.