alternatehistory.com

With a POD near 1904, cause there to exist a major urban area at the following location:

https://www.google.com/maps/place/4...14z/data=!4m5!3m4!1s0x0:0x0!8m2!3d49!4d-97.23

The rules are:

1. The urban area must be roughly equal to or larger than Fargo-Moorhead.

2. It must span both the Red River and the 49th parallel.

3. It must be functionally one city, but may be legally three muncipalities for obvious reasons.

4. The centerline of the main street must be exactly on the US/Canada border.

5. Said main street must include a bridge over the river.

6. The unity of the urban area must be considered important enough to warrant either an official or unofficial exception to border crossing regulations when the US and Canada start getting serious about such things in the 1920s, similarly to how Derby Line, VT and Stanstead, QC were treated before 9/11.
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