1, relief: the Union victory at Shiloh was a significant turning point in the Western Theater of the American civil war, lifting the spirits of a nation weary from the prolonged conflict and providing hope that the Union cause was still strong.
2. satisfaction: Lincoln was known to be a strong believer in Grant's military leadership, which was reinforced by Grant's success at Shiloh. Lincoln had previously promoted Grant to the rank of Major General and the battle further confirmed his trust in Grant's abilities.
3, concern: While Lincoln was undoubtedly pleased with the Union victory, he was also aware of the high casualties the Union army suffered during the battle. The bloodlettings of Shiloh made him reflect on the human costs of war and the immense sacrifices made by soldiers.
Despite the concerns, the victory at Shiloh was a major morale booster for the Union, solidifying Grant's reputation as a skilled commander, and reaffirming Lincoln's belief that the Union could ultimately triumph in the Civil war.