In this decision, the Supreme Court ruled that American foreign policy is vested entirely in the federal government where the president has plenary power.

Before declaring him/herself as a candidate for party nomination, most potential candidates form a(n) ______.

Fill in the blank(s) with the appropriate word(s).

Survey research should

A) be used in early exploratory research. B) use a "shotgun" approach to cover as many areas as possible. C) have a clear focus and be guided by hypotheses and expectancies held by the researcher. D) All of the above