The annexation threw Sweden into the hands of the Russians, with whom she had been at war as recently as September 1809.67 Instead of establishing a useful ally in the north, capable of drawing Russian troops away from his own, Napoleon had ensured that Bernadotte would sign a treaty of friendship with Russia, which he did at Åbo (now Turku, in Finland) on April 10, 1812.
Just tossing allies away and making dumb ones
