War of 1812 the Thames defeated Tecumseh's Confederacy, securing a primary war goal. A final American attempt to invade Canada was fought to a draw at the Battle of Lundy's Lane during the summer of 1814. At sea, the powerful Royal Navy blockaded American ports, cutting off trade and allowing the British to raid the coast at will. In 1814, one of these raids burned the capital, Washington, although the Americans later repulsed British attempts to invade New England and capture Baltimore. In Britain, there was mounting opposition to wartime taxation and demands to reopen trade with America. With the abdication of Napoleon,
International relations of the Great Powers (1814–1919) the postwar world. The Treaty of Chaumont of March 1814 reaffirmed decisions that had been made already and which would be ratified by the more important Congress of Vienna of 1814–15. They included the establishment of a confederated Germany including both Austria and Prussia (plus the Czech lands), the division of French protectorates and annexations into independent states, the restoration of the Bourbon kings of Spain, the enlargement of the Netherlands to include what in 1830 became modern Belgium, and the continuation of British subsidies to its allies. The Treaty of Chaumont united the powers to defeat Napoleon and became