Carr, Jayge. "The War of '07"
Divergence: 1801 CE
What if: When Congress broke the Electoral College tie of 1800, they made Aaron Burr president rather than Thomas Jefferson.
Summary: Militant Burr begins the move to manifest destiny 40 years early, but he also shows no signs of leaving the White House.
Published: In Alternate Presidents (ed. Mike Resnick), q.v.