The Civil War changed the United States in many ways-economic, political, and social. Of these changes, none was more important than Emancipation. Besides freeing nearly 4 million slaves, it brought agricultural wage labor to a reluctant South and gave a vote to black adult males in the former slave states. It also offered former slaves of both sexes new opportunities in education and property ownership. Just as striking were the effects of the war on the United States Army. From late 1862 to the spring of 1865, the federal government accepted more than 180,000 black men as soldiers,...

Black soldiers first entered the regular army of the United States in the summer of 1866. While their segregated regiments served in the American West for the following three decades, the promise of Reconstruction gave way to the repressiveness of Jim Crow. But black men found a degree of equality in the service: the army treated them no worse than it did their white counterparts.

The Black Regulars uses army correspondence, court-martial transcripts, and pension applications to tell who these men were, often in their own words: how they were recruited and how their officers...