Answer:
To relate because they also fought in the war.
Step-by-step explanation:
Lincoln had referred to “the Union” twenty times. Always using “the Union” as a synonym for the country, Lincoln had not once referred to “the nation.” But by the end of 1863, Lincoln’s rhetoric changed significantly. He now referred to the founders of 1776 as having “brought forth on this continent a new nation.” Only a united nation with a strong central government, he believed, could end slavery and protect liberty.