Maybe try zooming in a little more :)
A Theme is a Message the the Author wants to get across to his readers
A Central Idea is a element in a story that ties together the imformation
I Hope the Helps
√ Dante√
Answer: The Emancipation Prodamation
Explain: Beginning by invoking the image of the founding fathers and the new nation, Lincoln eloquently expressed his conviction that the Civil War was the ultimate test of whether the Union created in 1776.