In the United States, the national and state governments have both independent and shared powers over their citizens, but the national and state governments do not owe their existences to each other

If an opinion poll with a margin of error of 5 percent finds that 51 percent of Americans are likely to vote for candidate A and 49 percent of Americans are likely to vote for candidate B, what should the pollsters conclude?

a. that candidate A will win the election b. that candidate B will most likely lose the election c. that the voting is too close to determine a winner d. that the survey results are invalid e. that the survey results suffer from nonresponse bias

The law enforcement function in most states is formally headed by

a. county sheriffs. b. the Governor. c. the Secretary of State. d. the State Attorney General.