By downplaying her ideology when trying to convince an opponent, an advocate may appear:

Which of these statements best summarizes Gilpin's perspective on the existence of an interdependent international economy?

a. It is destined to fragment into autarkic national economies. b. It exists to serve the interests of the dominant economic class. c. It emerges spontaneously because it makes all states in the system better off. d. It demonstrates that nation-states play no meaningful role in the international political economy. e. It exists because it maximizes aggregate wealth, but it cannot exist without a dominant power to sustain it.

How many independent variables are in this experiment?

a) one (time of day) b) one (dose of drug) c) two (species and dose of drug) d) two (time of day and dose of drug)