The purpose of the dash in the sentence is to: create a break in the text, to emphasize the phrase “nothing more”.
What is a Dash?
A dash is a symbol that is used to signify the addition of details that will make the information in a text clearer. In the sentence above, the dash is used to add the detail, "nothing more."
This means that there was nothing else that the image revealed about James.
Learn more about the dash here:
https://brainly.com/question/858056
