RodentRevolution
Banned
, most major coastal cities (Savannah, Charleston, New Orleans etc) probably being reduced to piles of rubble
How, exactly?
More to the point by that stage of the 19th Century it would be considered a war crime. Even Sherman, engaged in suppressing a rebellion where broader rules of engagement were internationally acceptable was careful to target duel use facilities and materials only. It would be acceptable to bombard fortifications and shore batteries and military installations and production facilities or land troops and have them destroy the same but purely civilian structures should not be deliberately attacked unless pressed into some military purpose (such as being occupied by active defenders).