Experiment Group! Is the Right answer.
The physical characteristics of the backcountry affected the movements of the settlers because it's difficult to reach, as well as it had only a few settlers
The topic was a task. A
task is a type of topic that teaches the audience how to do something,
usually in a step by step fashion. This kind of topic answers the
question "how?", and it is aimed to provide detailed information to
achieve a specific goal. In this case the speech is telling the
audience how to upgrade and replace the hard drive in their computers.
