The correct answer is B. The potlatch ceremony was created as a way to welcome new tribes into the existing nation.
Although mercantilism in general did good things for trade within European powers, it also led to conflict since it spawned so much competition. For instance many nations did not take well to having tariffs placed on their goods and would therefore go to war.
Nixon is pragmatic in his approaches. The domestic policies he had to give are mixed with conservative and progressive proposals. Converted the Legal Services Program to Legal Services Corporation. The Food Stamp Act funded billions of dollars to people under its program. Provided programs for the needy. He started the desegregation of the Southern school districts.