The correct answer is C) The soldiers gave their lives for the Union.
The other options of the question were A) The Union defeated the Confederates at Gettysburg. B) The soldiers fought bravely. D)
The Union is more important than the soldiers.
What Lincoln meant when he said soldiers gave “the last full measure of devotion" was that the soldiers gave their lives for the Union.
We are referring to the famous Gettysburg Adress, delivered by US President Abraham Lincoln on November 19, 1863. After the Union's victory in the bloody battle of Gettysburg, Lincoln considered that under those painful moments of a nation divided, his speech could represent a sincere message to the country. Lincoln always tried to maintain the unity of the nation.