The Obama administration's foreign and defense policy has been largely guided by cold calculations of the costs and benefits of action. It can thus be described as a(n) __________ approach

One purpose of the UN Secretariat is to __________.

A. administer UN policy and programs B. serve as theoretical experts and military advisers on various programs and projects C. represent their respective member states at the UN D. develop national civil servants whose loyalties are at the state level

The three major economic centers of the world are the

A. United States, Russia, and Brazil. B. Pacific Rim, China, and the United States. C. United States, the Pacific Rim, and the European Union. D. United States, Canada, and Mexico. E. None of these answers is correct.