In Unit $8$ we read about many methods for collecting historical data, from cave paintings to diaries to educational records. The quality of the data is dependent on how the information was collected, the quality of the data source as well as complications like data storage and archival care.

Think of a question for which you will need to do some historical research to gain insights. Where will you begin, and what kinds of sources will you use? Give some examples of primary, secondary$,$ and tertiary sources you could use to find this information. What could be an obstacle$($s$)$ and cause the results of your research to be less useful than you were hoping?