Which south east asian country remained independent during colonial times? a. burma b. vietnam c. thailand d. indonesia

In the 19th and 20th century, many Southeast Asian countries suffered colonial domination by European powers. Thailand was the only Southeast Asian state to escape colonial rule. The British and French decided the country to be neutral territory and it remained independent.

C. Thailand is a south East Asian country that remained independent during colonial times.

The South-East Asian countries have all been European colonies except for Thailand. The other neighboring countries were colonies of either Britain or French. Thailand negotiated its way out of the colony during World War II and also avoided colony by ceding Malay territory to the British.  

Thailand's allies during the WWII was Japan and following the end of that battle, it formed close allies with the United States. The US allies helped Thailand to avoid communism and colonies which affected other counties.