It is about the great conflict that tore the United States apart in the 1860s. It considers the injustice of slavery and the role of the abolitionists. It looks at the part played by Lincoln and the great battles such as Gettysburg and Vicksburg. It also looks at commanders such as Grant, Lee and Sherman. It looks at the assassination of Lincoln at the hands of John Wilkes Booth in April 1865 and the way that the memory of the war impacts American society today in the light of the Black lives matter movement.