Answer:
Between 1970 and 1973, during the Vietnam War, the United States bombed much of the countryside of Cambodia and manipulated Cambodian politics to support the rise of pro-West Lon Nol as the leader of Cambodia. The Khmer Rouge used the United States’ actions to recruit followers and as an excuse for the brutal policies they exercised when in power.
Explanation:
As regards social structure the Aztecs and the Incas changed their structure from kinship (tribe system) to a social hierarchy (nobles). Moreover,
They had local leaders who were accepted as equals if they pay the corresponding tribute.
Both were ruled by Emperors and so they were divided into rich and poor social class.
Answer:
a is the best answer I think
An actor endorsing a presidential candidate is an example of red herring. According to oxford dictionary, red herring is something that is intended to misleading or distracting.
Conference committees operate after the House and the Senate have passed different versions of a bill. Conference committees exist to draft a compromise bill that both houses can accept. Both houses of Congress must eventually pass identical legislation for the bill to be presented to the President.