You have a diary thought to be written by a confederate soldier during the cival war. a handwriting expert believes the writing matches other samples that have already been traced to this man. a carbon-dating expert can verify the age of the document. the diary gives an account of a battle, but you have other documents that contradict some of the events as written. based on this information, what should you question about the diary?
accuracy
validity
authenticity
ability to pass
a test of external criticism