Well of course u start with a intro. Just put something like a hook which is something that grabs the readers attention. The do a backround information on the DBQ then do reasons.
what is the DBQ on
<span>Early photographer william henry fox talbot discovered how to make positive prints that could be: easily reproduced
In 1839, William Henry Fox Talbot invented The salt print paper. He combined a sensitive paper with a salty water in order to make a photographic picture appear much faster than the previous method.</span>