What role is the Environmental Protection Agency taking when it sets limits on air pollution from power plants?

Under the system of federalism, ________

a. only the federal government has exclusive powers b. only state governments have exclusive powers c. power is unlikely to be concentrated in one level of government d. only state governments act directly upon the people e. states can band together in trade zones with special tariffs

Which of the following statements is NOT true about neo-Marxism?

a. It shares several assumptions with realism b. It is a structural theory c. It believes that economic conflict drives world politics d. It has gained popularity since the end of the Cold War e. It is inspired by German philosopher Karl Marx