The Khmer Rouge were the one's that <span>took power in Cambodia immediately after Vietnam War</span>
The correct answer is Creoles who largely benefited from the caste system joined with the spanish forces to fight rebels from less powerful castes.
if you're asking what hindered the US from winning in Vietnam it was cause of multiple factors
first one and probably the biggest is that the war was unpopular back in the US most of the population found it to be a pointless war
second reason would be that the Soviets and us Chinese were training equipping and supporting the Viet Kong
third reason would be that the Viet Kong were excellent guerrilla fighters and knew the land better than the American GIs
The answer is c- places strict laws on congress’s power.