The Japanese were in Indochina...but they were surrendering to the allies...the French re-entered Vietnam (and Indochina) in 1945...the British were involved with Malaysia and those regions.
Cut off British supply lines
Maylasia and Myanmar (Burma) were both British colonies. Cambodia was one of the French Indochina colonies.
The British/Australians were involved there. The US probably supplied logistical material, as they did with the French in Indochina.
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.
Indochina Airlines ended in 2009.
Indochina Airlines was created in 2008.
Cambodia, Vietnam and Laos made up Indochina and Indochina was under the Frenches control.
European Imperialism qualifies as such.