Explain why the regulation of commerce became one of the major issues in federal–state relations.

The Soviet Union ceased to exist in the year

a. 1990. b. 1991. c. 1992. d. 1993. e. 1994.

With the demise of the Soviet Union and the post-Cold War changes in the international system, the United States' employment of containment as its guiding foreign policy principle

a. is no longer as relevant. b. is still as relevant as in the past, because a new Soviet Union might form in the very near future. c. is still relevant since it can now be applied to the communist nations of Latin America. d. will now be applied exclusively to China and North Korea. e. will be applied to all states of the international system.