Final answer:
British Columbia, a province of Canada, borders only one U.S. state, which is Washington. Therefore, the answer is A. 1.
Step-by-step explanation:
British Columbia, a province in Canada, shares its southern border with the United States. Specifically, it borders only one U.S. state: Washington.
By delving into the geography of North America, specifically the Pacific Northwest region, we learn that British Columbia, Washington State, and parts of Alaska form a contiguous region favorably known for its natural beauty.
In essence, the answer to your question is A. 1 as only Washington State directly shares a land border with British Columbia.
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