The argument above assumes which of the following? A. People's understandings of governmental obligations change from time to time. B. The citizens of a nation will respond favorably to the nation's attempts to extend its international power by legal means. C. Some officials of totalitarian governments are insensitive to the rules embodied in international law. D. Each nation's citizens believe that international laws are among the rules by which governments ought to operate. E. Elected government officials are more likely to doubt the wisdom of their own government's actions than are appointed government officials.