Respuesta :
A. preserve its small armies while doing enough damage to erode the Union's will to fight
The correct answer to this question would be alternative A)"preserve its small armies while doing enough damage to erode the Union's will to fight."
The question refers to the American Civil War, that happened in the United States from 1861 to 1865, which had as combatants, the South vs the North of the US.
Two of their military strategies were described in alternative A, making it the correct one.