Answer:
The model is the politico model.
Explanation:
The three main types of representative models are delegate, trustee, and politico.
The delegate model of representation act only as a mouthpiece for the wishes of their constituency and make decisions only for the actual interest of their constituency.
In trustee model, representatives make their political decisions based on the common good which is not necessarily in line with what their constituency want. Trustee representative could make decisions on behalf of his people; but can forego their (constituency's) interest to favor national interest.
In politico model, legislators follow their own judgment until the public come calling about a particular matter. They are autonomous and independent of any constituency influence in making decisions.
The American attitude shifted in favor of rights for Native Americans. This is based on "Polls showed that Americans believed in rights for Native Americans". Why it's not A is because it wasn't the polling that contributed to the act, but what the polls showed which is C.
Causes of US failure in Vietnam include b) The United States supported corrupt leaders in Vietnam and d) Only a few US soldiers fought with honor.
One of the biggest issues of the Vietnamese war was that the United States went in because of anti-communism above all other reasons because of the Truman Doctrine. The South Vietnamese leaders were not well liked and were overall corrupt. The knowledge of this back home created a lot of public tension and actually caused soldiers to feel they weren't fighting for a good cause, or even commit war crimes as seen in the My Lai Massacre.
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