In 1865 President Andrew Johnson implemented a plan of Reconstruction that gave the white South a free hand in regulating the transition from slavery to freedom and offered no role to blacks in the politics of the South. ... The end of the Civil War found the nation without a settled Reconstruction policy.
Soldiers were drilled in infantry tactics, usually based upon a manual written before the war by West Point professor William J. Hardee (Rifle and Light Infantry Tactics: for the Instruction, Exercise and Maneuver of Riflemen and Light Infantry, published in 1855).