The student's proposed topic is deemed appropriate and does not breach the ten-year rule, so the allocation of marks for criterion B is not applicable. The student demonstrates a clear understanding of the broader historical context of their research question by referencing communist ideology, the Great Leap Forward, US-China relations, and changes in the USSR. Furthermore, the student consistently and accurately incorporates historical terminology and concepts throughout the essay, while also effectively describing and explaining the terms and concepts, making their meaning clear to the reader. Therefore, the student fulfills the subcriteria for this criterion.