The answer would be Secondary.
Vaues of individualism because it demonstrated the power of the human mind. ... The power of human beings to discern truth through reasoning influenced the development of the Enlightenment value of rationalism
It gives insight into what the soldiers believed.
This document gives the perspective of the Civil War soldier showing their reason for fighting.
Primary sources that highlight a citizen's perspective provide the common American's experience. The reasons for the Civil War are often portrayed from the perspective of the government and/or the wealthy. Soldiers typically have a different reason for fighting. The Civil War was about states' rights or keeping the Union together, but for this soldier it was about the legacy of the country and an attempt to protect that legacy.
The Ironclad Oath was an oath promoted by Radical Republicans and opposed by President Abraham Lincoln during the American Civil War. The Republicans intended to prevent political activity of ex-Confederate soldiers and supporters by requiring all voters and officials to swear they had never supported the Confederacy. Lincoln's reconstructive policy toward the South was lenient because he wanted to popularize his Emancipation Proclamation. Lincoln feared that compelling enforcement of the proclamation could lead to the defeat of the Republican Party in the election.
