In the path of the interesting "what if" of mi amigo Antonio aka "Basileus 66", there is another very interesting one.
"1800 Treaty of Ildefonso – Spain cedes Louisiana to France in return for Napoleon Bonaparte creating a small kingdom for the son-in-law of Charles IV in central Italy
1803 Spain finally hands Louisiana back to France. Twenty days later France sells the whole territory to the United States for $15,000,000 USD
1807-1812 Anger at the boarding of American ships by the British Navy in search of cargo being sent to France and possible deserters from the Royal Navy increases.
1810 Several pro-war congressmen are elected. The most prominent of these 'warhawks' are John Caldwell Calhoun and Henry Clay.
1812 A party of Russians led by Ivan Kuskov land at Bodega Bay in California and start the construction of an outpost known as Fort Ross. Building is finished later the same year.
The United States declare war on Britain on June 18th. The war is opposed by much of Federalist New England
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Full article here.
link
Hope you enjoy!.
Amicalement
Armand