Grant was something rare in that or any war. He could learn from experience.
The Civil War, Vol. 1: Fort Sumter to PerryvilleNo civilization, no matter how mighty it may appear to itself, is indestructible.
Civilization: The Six Ways the West Beat the RestFamine was the mark of a maturing agricultural society, the very badge of civilization.
Against the Grain: How Agriculture Has Hijacked Civilization