Cotton : Confederates misplay the cotton card
Corinth : Henry Halleck fails to eliminate a Confederate Army and halts Union offensive actions
Antietam Campaign : George McClellan fails to destroy Robert E. Lee's army
Black soldiers : Confederates fail to use slaves as soldiers
Gettysburg : Robert E. Lee conducts a blundering campaign
Chickamauga and Chattanooga : Davis, Lee, and Bragg fail to destroy a Union army and to keep Chattanooga in rebel hands
Mobile, Alabama : Abraham Lincoln and Henry Halleck fail to attack or capture Mobile in 1863 or early 1864
Snake Creek Gap : William T. Sherman misses the chance for a game-changing victory early in the Atlanta Campaign
Petersburg : Ulysses S. Grant and a bevy of Union generals fail to end the war by capturing Petersburg in June 1864
Atlanta and Savannah : William T. Sherman fails to capture enemy armies and shorten the war.