WI: 47th Parallel

What happens if the border between the United States and British North America was decided on the 47th Parallel instead of the 49th Parallel?
 
This is ASB without a POD in the 1810s, and at that point, butterflies would provide many a ripple.

Then present a scenario; sure it's quite an extreme improbability after the 18-teens, and yes, there will be butterflies, but WI. WI the boundary was drawn along the 47th Parallel between the Mississippi & Lake Superior by the 1783 Treaty of Paris? Does this mean that the US has both "Southern Ontario" and "Michigan's Upper Peninsula"? WI the US loses the War of 1812 and is compelled to redraw the OTL Treaty of Paris line? I do wish the OP had been more specific, as either POD will release numerous and different butterflies.

On a historic note, the blue line on the map below shows the first boundary proposal put forward by the Americans at the Paris peace talks:

attachment.php
 
Then present a scenario; sure it's quite an extreme improbability after the 18-teens, and yes, there will be butterflies, but WI. WI the boundary was drawn along the 47th Parallel between the Mississippi & Lake Superior by the 1783 Treaty of Paris? Does this mean that the US has both "Southern Ontario" and "Michigan's Upper Peninsula"? WI the US loses the War of 1812 and is compelled to redraw the OTL Treaty of Paris line? I do wish the OP had been more specific, as either POD will release numerous and different butterflies.

On a historic note, the blue line on the map below shows the first boundary proposal put forward by the Americans at the Paris peace talks:

attachment.php

I thought that the first American line still put the Upper Peninsula of what is now Michigan into the United States.
 
english minority

With southwest Ontario in the US, most of Canada would be French. If Canada and Rupert's Land can hold on to the 47th parallel in the West, with Chinese and Japanese in the West, and with the Metis and first nations, Canada would have a decided English minority.
 
I thought that the first American line still put the Upper Peninsula of what is now Michigan into the United States.

That map isn't referring to the 47th Parallel. The 47th Parallel stretches from the shore of Lake Superior in the east to the Pacific Ocean in the west.
 
That map isn't referring to the 47th Parallel. The 47th Parallel stretches from the shore of Lake Superior in the east to the Pacific Ocean in the west.

Right; the line on that map is at 45°40′N. The 47th parallel "hits" Lake Superior (as you note) north of Duluth, MN/Superior, WI. Why did you choose 47°N? The "what happens if" you're soliciting depends on when the boundary is drawn. A line drawn in 1783 (along any parallel) isn't going to be drawn all the way to the Pacific. A line drawn after 1803 isn't going to be drawn at the 47th parallel, or even 48th, west of the Mississippi. A line drawn at the 47th parallel in 1783 might (possibly) result in OTL's southern Ontario becoming part of the new USA, which may mean no War of 1812 (or anything resembling it).
 
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