It is illegal for an interest group to make a contribution to a candidate's campaign fund through a PAC

States' adherence to the principles of consistency and reciprocity built up over centuries to serve as the basis of ________

a. international law b. customary international law c. formal international law d. informal international law e. non-customary international law

Face validity refers to ______.

A. the ability of subsets of items to predict one another B. the strength of items to predict one another C. the apparent appropriateness of how a concept is measured D. the likelihood that multiple indicators measure the same phenomenon