1812-1815: War of 1812 - This was was fought to end the British practice of impressment and to remove British influence from America's borders. It eventually ended in a stalemate that saw Britain and the United States make concessions, but the geographical immediacy of Britain's concessions meant that many Americans saw the war as an unadulterated victory for the United States, and it emerged as the second nationally unifying war after the revolution. (1 janv. 1812 – 1 janv. 1815)