Applied mainly in Family Clans during the says of Feudal Japan. Samurai had upheld this code throughout its creation, seeing surrender worse than death. When the country started to modernize with its army and cities during the Meiji Era, Bushido was introduced throughout the populace. It had been incorporated mainly in the Imperial Japanese Army then among civilians who used this to believe surrender was a sign of dishonor and throughout trying times during the late stages of WW2 the military council had shown little signs to surrender.
The us goverment used the domino theory as a justification for its involvement in the vietnam way. along with its support for non-communist dictator in southern vietnam