Question: The Tomb of the Unknown Confederate Soldier is a tomb on the grounds on the estate of what historic post-war home of the former President of the Confederate States of America, Jefferson Davis?
Sentence (from "Beauvoir (Biloxi, Mississippi)"): She invited him to visit at the plantation and offered him a cottage near the main house, where he could live and work at his memoirs (""Rise and Fall of the Confederate Government"").
Relevant evidence: No