As a defender of national unity, a leader in war, and the emancipator of slaves, Abraham Lincoln lays ample claim to being the greatest of our presidents. This extraordinary biography by one of the most highly regarded historians on the subject examines Lincoln both as a rising politician and as president.While pursuing office, Lincoln drew strength from public opinion and from the machinery of his party. As a wartime president, he recognized the limits as well as the possibilities of power. In his struggle to end slavery, he found allies in the churches, their humanitarian agencies, and the volunteer Union Army.In illuminating the political talents that went hand in hand with a large and serious moral purpose, Carwardine gives us a fresh, important portrait of the incomparable Abraham Lincoln.