For years their territory had been the target of a struggle between the British and French, and the emphatic British victory in the French and Indian War forced them to leave, when they refused to swear allegiance to the British Crown.
The British won the French and Indian War after three months.
mnli hypothesis: The British won the French and Indian War after three months. premise: For years their territory had been the target of a struggle between the British and French, and the emphatic British victory in the French and Indian War forced them to leave, when they refused to swear allegiance to the British Crown.