Answer:
I think the rules for the behaviour of the government official
It was the first election to have two presidential nominees. It also was the only election where the president and the vice president were elected from opposite parties.
It resulted in the deaths of 1.5 to 2 million people from 1975 to 1979, nearly a quarter of Cambodia's 1975 population ( c. 7.8 million).
b) show strength as President of the Union that wanted the Southern States back.
Hope I helped! ( Smiles )