How does Eric Foner use imagery in The Fiery Trial: Abraham Lincoln and American Slavery?

This is a historical book so the imagery lies in the era of the subject matter.

The writer of this book is the author of multiple books on history. Many of the author's books include history of the Civil War, politics, and history of the black people in America. For this reason, the reader can see that the author comes to this book with a strong background in both history and politics. This book is a book about slavery and how one man came to a position in which to end slavery in the United States.