Assertion: doctrine | /r/CapableOf | provide canada
Facets:
Source sentences:
text: The doctrine provided Canada with a de facto security guarantee by the United States; the US Navy in the Pacific, and the British Navy in the Atlantic, made invading North America almost impossible.
text: The doctrine provided Canada with a de facto security guarantee by the United States; the US Navy in the Pacific, and the British Navy in the Atlantic, made invading North America almost impossible.