I suggest you to go with first one a. there was heavy damage only within a mile of the bomb's impact. There're no closer description than that.
The secession of Southern States led to the establishment of the Confederacy and ultimately the Civil War. It was the most serious secession movement in the United States and was defeated when the Union armies defeated the Confederate armies in the Civil War, 1861-65. Hope this helps, good luck! :)
We need to see the other parts of the text, as all u included was her being a modern day conservative
D bc that’s the right answer