What are 4 ways that Lincoln impacted the civil war?

Abraham Lincoln played a crucial role in the Civil War by preserving the Union through decisive military and political leadership. He issued the Emancipation Proclamation in 1863, which transformed the war's purpose into a fight against slavery and helped secure support from abolitionists and foreign nations. Lincoln also worked to unify various factions within the government and military, ensuring a coherent strategy against the Confederacy. Lastly, his commitment to a post-war reconciliation laid the groundwork for the nation's healing and reconstruction.