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 "French and Indian War"): The European nations declared war on one another in 1756 following months of localized conflict, escalating the war from a regional affair into an intercontinental conflict.
Relevant evidence: No