Which of the following geographic descriptions approximately describes "Line A"?
A line roughly parallel to and south of the border between the US and Canada✓Correct answer
A line roughly parallel to and west of the US Atlantic coastline
A line roughly parallel to and north of the border between the US and Mexico
A line roughly parallel to and east of the US Pacific coastline
Explanation
Line A runs from Aberdeen, Washington across the northern United States to the Maine coast, lying south of and roughly parallel to the border with Canada. It has nothing to do with either ocean coastline or with the Mexican border.