Final answer:
In the poem 'An American Draft Dodger in Thunder Bay,' crossing the border refers to going from the United States to Canada to avoid being drafted into the military during the Vietnam War.
Step-by-step explanation:
In the poem "An American Draft Dodger in Thunder Bay," the phrase "crossing the border" refers to the act of going from the United States to Canada. Therefore, the statement that crossing the border only refers to going from the United States to Canada in the poem is true. It signifies the speaker's decision to flee to Canada to avoid being drafted into the military during the Vietnam War.
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