What argument about the role of Northern civilians is President Abraham Lincoln making in this excerpt from the Gettysburg Address?

Lincoln arguments at Gettysburg cemetery address where based on the fact that the life of those who lost their lives during the civil war must be remembered by creating a monument for them so as to remember them and be known that their death which has bought freedom as a form of sacrifice to their country.

Explanation:

President Abraham Lincoln was at National Cemetery in Gettysburg in Pennysylvania in 1863 which was the area where the Civil War battle was decided. It was the spot where the Union and the Conservatives lost their soldiers during the Civil War.

However, in his argument, President Lincoln made the following argument in support of the Northern civilians:

hey u think u can me with a summary? ?