C.The president proposes several new bills that are all rejected by Congress.
When the president uses an executive order to enact a new policy it undermines the power of the Congress, which will result in the congress rejecting the next steps that the president woul try to do.
The one that is an example of a social barrier to cultural diffusion is :
Laws that prohibit western-style clothing
This will prevent a lot of western people to enter that specific region because they're afraid to get into trouble
hope this helps
Jean Jacques Rousseau would most likely agree with speaker number four:
governments derive their powers from the consent of the people
Rousseau believed that the people coming together collectively to ensure and agree on government is the only form of legitimacy (Social Contract Theory).