Hamilton's leadership in the war's last major land battle would deliver the future Secretary of the Treasury his long-sought glory. Alexander Hamilton, the first Secretary of the Treasury, known for his famous, fatal duel with Aaron Burr and his ability to draw sold-out crowds to a hit musical examining his life-played a key role in a battle that brought an end to the American Revolutionary War. And in fighting the key battle, Hamilton and his men employed what might seem like a risky strategy-unloading their weapons before their advance.