a conflict between the US and the UK (1812-14), prompted by restrictions on US trade resulting from the British blockade of French and allied ports during the Napoleonic Wars, and by British and Canadian support for American Indians trying to resist westward expansion. It was ended by a treaty which restored all conquered territories to their owners before outbreak of war.
1812年美英战争（1812-1814年美英之间发生的一场战争; 起因之一是由于在拿破仑战争期间英国对法国及其盟国的港口的封锁限制了美国贸易; 起因之二是英国和加拿大支持美洲印第安人抵制美国向西部拓展; 最后签订了一个条约来结束战争, 规定被占领的土地归还战前所有国）。