Definitely C. Diffusion is the process of two cultures melding together, like in Civ V, if you conquer a city, it's not happy until you put your culture into it.
The most likely reason is to prevent the president from abusing its power.
If he can unlimitedly dismissed the congress, the president will basically capable to do whatever he wants to the government,
including making reckless policies<span />
Because the constitution was better
The meaning of the quote "Without feeling of respect, what is there to distinguish men from beast" is a saying that humans have a certain level of consciousness that separates us from any other creature. We he created this type of society where we are expected to uphold certain standards, unlike our more primitive counterparts.