According to most professional research firms, which of the following margins of error indicates that a sufficiently large sample was used to obtain accurate survey results?

Which of the following was primarily responsible for ending racial segregation of U.S. public schools?

a. The U.S. Supreme Court. b. The U.S. Department of Education. c. Congress. d. The president.

Once in power, revolutionary governments find they often resemble their predecessor in what way?

A) Adopting similar foreign policies B) Consisting of a strong legislature and a weak executive C) Consisting of a weak legislature and a weak executive D) Developing multiparty democracies