Final answer:
The Battle of the Plains of Abraham was significant because it led to France losing French Canada to the British, which marked a shift in power in North America.
Step-by-step explanation:
The Battle of the Plains of Abraham was a significant event in the Seven Years' War because it contributed to France losing French Canada to the British. The British victory in this battle played a crucial role in the subsequent British conquest of Québec and ultimately the end of French rule in Canada. This pivotal moment in history shifted power and control in North America from the French to the British.
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