I think is D I'm not sure
A historian would first look at the reliability of a source - when it was published and what was happening at the time (context), who wrote it and their qualifications, any bias the author may hold, whether author sources corroborate the source, whether the author has used references, whether the source provides evidence, who the source is representative of and whether the source provides a balanced perspective
Answer:
Id say A would be the best one
The role is at a 60 degree angle
First to sing the Declaration of Independence