How was Abraham Lincoln proactive?

Abraham Lincoln was proactive in addressing the divisions within the United States by taking decisive actions to preserve the Union during the Civil War. He issued the Emancipation Proclamation in 1863, which aimed to free enslaved people in Confederate states, thereby shifting the war's focus to a moral cause. Additionally, Lincoln actively sought to promote the passage of the Thirteenth Amendment to abolish slavery, demonstrating his commitment to social justice and equality. His leadership style emphasized strategic planning and foresight, ensuring that he addressed challenges before they escalated further.