I'm with you buddy i will use the rest of my life making canada a useless wasteland before i let those fucktard take 1 inch of land

Might I suggest buying a few cheap drones? If every Canadian had five cheap drones and access to special recipes any occupation would be costly and extremely expensive.

I saw really interesting piece of commentary on this from a guy who studies US politics and military interventions. His point was really simple; the one big takeaway the whole world learned throughout the 2000's and 2010's was that you simply cannot effectively rule a population that does not want to be ruled. The US couldn't do it in Iraq or Afghanistan, with all their firepower and technology and manpower. Even a tiny, tiny fraction of a population choosing resistance is enough to create an unending nightmare for an occupier.

And the difference, the really big difference, was that those countries were an ocean away. A Canadian insurgency wouldn't be US soldiers getting IED'd in Montreal; it would be bombings in the US capitol, in New York, in LA. Canadians look like Americans, dress like Americans, drive the same cars as as Americans, and talk enough like them that the average American would at best think they were from another state; and the two countries are joined by one of the world's longest borders. There is literally nothing that could stop Canadian insurgents from travelling to every single city in the continental US and hitting people right in their homes. It would be "The Troubles" on steroids. And they'd be doing this in a country that gleefully allows people to buy firearms off ebay with no background check or ID.

Imagine what things would have looked like if the Taliban could rock up to the home of any US senator in a pickup with a bunch of AR-15s. They simply do not have the domestic security apparatus to deal with something like that.

IDK. Luigi did a lot and didn't have to leave the US to do it.

I was tempted but Ukraine made a public statement that they need armaments, not untrained fighters.

The total area of Greenland is 2.1 million km², but where other countries have usable land and maybe some lakes, Greenland has 1.7 million km² of ice. There's some land under there, but much less than you might think:

Topographic map of Greenland (Wikipedia)

The US has 9.1 million km² of actual land, so if we're counting the ice, a quarter is about right.

Well then the concept of declaration of war you're presenting is worth jack shit since the US has ravaged countries for decades after 1942

All it means is that congress' approval is not needed to wage war, so this threat is way closer to a declaration than what you estimate

This is true, but I'm unclear on what the last authorization of force -- that was hastily passed by Congress during whatever crisis or whatever lull between crises preemptively -- authorizes the prezzy to do without a war declaration.

Congress has continually abdicated its position as a co-equal branch of government.

War on the continent and suspended elections.

Seems petty obvious.