Depends how you want to define "The Bulk" of the fighting. If you want to say that VA had more engagements than any other single state, OK- I'm with ya. BUT if you want to total up ALL the engagements including Vicksburg & the whole western theater of the war, plus the engagements in all the states I think you'll find that VA, KY & TN are vastly outnumbered There were THOUSANDS of battles, large & small, in the other states of the Confederacy.

In Re: Reconstruction- have you ever read the book of that name by Eric Foner? There's still an awful lot of fairytales about that era that people, unfortunately, continue to believe despite conclusive evidence to the contrary.