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war starts -
the war of 1812 -
english forces burn down the white house -
florida added to united states -
a principle of US policy, originated by President James Monroe in 1823, that any intervention by external powers in the politics of the Americas is a potentially hostile act against the US -
us and mexico war happens -
abe lincoln becomes president -
civil war begins in u.s -
abraham lincol delivers his famous speach