Which coefficient reflects the occurrence of perfect reliability?

Legal methods by which individuals and businesses reduce their tax liabilities are called

A. ?regressive taxes. B. ?black holes. C. ?loopholes. D. ?tax credits. E. ?None of these choices is true.

Since the end of the Cold War,

A. the international community has meekly acquiesced to American international supremacy. B. the United States and Russia have attempted to weaken each other through a series of "proxy wars." C. the U.S. has largely shunned involvement in multilateral organizations. D. the United States has avoided preemptive actions against perceived hostile countries. E. NATO has expanded to include a number of former Soviet satellite nations.