Use with the Hamilton I-Chart. Inquiry-charts, or I-charts are, in my experience, one of the easiest ways to teach students research-based writing skills. Teachers or students choose a question they wish to investigate (in this case, "How historically accurate is the musical Hamilton?") and then break this question into 3 supporting questions. (For example, if examining the title song from the musical, you could break the question into "Where was Hamilton born?", "Who were Hamilton's parents?",