b, a wouldn't make sense because in history in general people have tended to like meritocracy over aristocracy. C and D don't make sense because aristocracy doesn't include how hard a person works for a job
During the Japanese invasion of the Manchuria, President Hoover outlined the Hoover-Stimson Doctrine—a note that was supposed to be a message to Japan and China, contains the policy of non-recognition of any international territories that was gained by brutal force.
Um? Am I supposed to do something here??