Union Generals were military leaders in the Union Army during the American Civil War, which lasted from 1861 to 1865. Their primary role was to command troops in battles against the Confederate Army, aiming to preserve the United States and end slavery. Notable Union Generals included Ulysses S. Grant, who later became the 18th President, and William Tecumseh Sherman, known for his "March to the Sea." These generals employed various strategies and tactics to achieve victory, often adapting to the challenges of warfare. Their leadership was crucial in significant battles such as Gettysburg and Antietam, which helped turn the tide in favor of the Union. The effectiveness of Union Generals played a vital role in the eventual defeat of the Confederacy.