What information would the viewer of the image have that the reader of lincoln's gettysburg address might not have?
what the battlefield looked like
that many lives were lost in battle
that the union soldiers were victorious
the serious nature of the battle

The information that the viewers of the image have that the reader of Lincoln's Gettysburg Address might not have is certainly about What the battlefield looked like.

Option A

Explanation:

Abraham Lincoln, the former President of the United States gave a speech during the Civil war and that speech is regarded as the Gettysburg Address. The speech which he delivered that day, in the year 1863, was one of the finest speech in the history.

If we have a look on the image, it depicts the huge crowd who are patiently listening to the most renowned president Lincoln’s speech. The picture makes us wonder and gives us an idea of what the Battlefield looked like, and the crowd of the standing on the most important day.