Which term best describes U.S. foreign policy during the period between the two world wars (1918–1939)?

Which political development “democratized” the nomination process and reduced the power of party bosses?

A. primaries
B. registrations
C. endorsements
D. conventions

The smaller the sample size in a survey study, the

A) greater our confidence in the results. B) larger the confidence intervals around the population estimates. C) smaller the confidence intervals around the population estimates. D) more difficult it is to develop the survey instrument.