So he could see what the colonists thought of him and what the effects of his actions were
There are many ways in which you can address this. Usually, whoever designs the form can anticipate that you might want to provide more information about a particular topic, and therefore, they might provide you with the chance to do so. However, if there is no designated space to provide more information, you can attach a separate piece of paper that contains this information, or contact the institution that sent you the form.
I need answers, not predictions.