Question: Which 18th-century frontier fort at the current site of Cumberland, Maryland, USA was an important military and economic center during the war, 1756-63, that pitted the colonies of British America against those of New FranceFrance?
Sentence (from "Fort Blount"): Situated at the point where Avery's Trace crossed the river, the fort provided an important stopover for migrants and merchants travelling from the Knoxville area to the Nashville area in the 1790s.
Relevant evidence: No