Abraham Lincoln's approach refers to his unique strategies and policies aimed at addressing the deep divisions in the United States during his presidency, particularly regarding the Civil War and issues of slavery. Lincoln's leadership style was characterized by a commitment to preserving the Union, balancing his views on emancipation with the need to maintain support from border states and factions within the North. His pragmatic decisions and ability to communicate his vision played a crucial role in shaping the course of the war and the future of the nation.