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 French and Indian War (1754–63) comprised the North American theater of the worldwide Seven Years' War of 1756–63.
Relevant evidence: Yes