A security arrangement guided by the principle that an act of aggression by any state will be met by a collective response from the rest is known as

Which one of the following is true of third political parties in the United States?

a. They tend to be competitive with the two major parties. b. They always form around a specific issue. c. They may organize or form around a specific ideology or a specific issue. d. They are usually spoiler parties that influence the outcomes of elections. e. They are highly successful at raising money and winning local elections.

Public opinion polls will give policy makers meaningful signals that accurately reflect the opinions of the American public that pays close attention to policy debates if what happens?

a. if the random opinions of uninformed members of the public cancel one another out b. if the uninformed opinions of members of the public are systematically excluded c. if the opinions of informed members of the public are tracked over time d. if survey questions are worded in order to generate a low degree of consensus e. if the opinions of uninformed members of the public are undersampled