This document provides guidance on how to structure an answer to an "explain why" question for a GCSE Modern World History exam. It advises students to cite multiple reasons for the result and explain how each reason produced the result. An example is given of explaining why the Bolsheviks grew in popularity between March and November 1917. Students are told to suggest at least two reasons, back each with a fact, and thoroughly explain how each reason increased the Bolsheviks' popularity using causal links. Finally, students are instructed to write two more paragraphs following this structure and then peer-assess each other's essays.