Discuss the history of off-shore oil drilling in the United States. Explain why public opinion on the matter shifts every so often from support to opposition.

The concept of separation of powers was included in the Constitution to prevent

A. disputes between the federal and state governments. B. the imposition of export taxes. C. a major dispute over power between the House and the Senate. D. disputes over power between Congress and the president. E. tyranny by either the majority or the minority.

Which of the following is used in the United States to provide a benefit to low-income taxpayers with at least one child--it was introduced to offset the effects of the Social Security tax and encourage people to work?

A. earned income tax credit B. family allowance C. negative income tax D. marriage tax