Abraham Lincoln's presidency is distinguished by significant achievements such as the Emancipation Proclamation, which declared the freedom of slaves in Confederate states. His leadership during the Civil War aimed to preserve the Union, showcasing his commitment to national unity. Lincoln also initiated the Homestead Act, promoting westward expansion, and the establishment of the National Banking System. His eloquent speeches, including the Gettysburg Address, articulated a vision of freedom and equality that resonate in American history and continue to inspire future generations.