Differ We Must by Steve Inskeep

Differ We Must: How Lincoln Succeeded in a Divided America is a 2023 nonfiction book by Steve Inskeep, about Abraham Lincoln. The title of the work originates from the phrase "If for this you and I must differ, differ we must," which Lincoln wrote inside correspondence to Joshua Fry "Josh" Speed, referring to his disagreement with Speed's viewpoints, as Speed's family owned slaves.

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