The document provides guidance on choosing a focused research topic from a given topic. It presents example topics at different levels of specificity and asks the reader to identify the most focused, focused, and broadest topics. It then evaluates potential research questions about soccer topics to determine which question is appropriately specific and able to be researched and proven. The document concludes that the best question is "What caused soccer to emerge one of the most popular organized sports in America?" as it is sufficiently focused without being too broad or narrow.