History of the United Kingdom Britain as the world's dominant colonial power. During the 1760s and 1770s, relations between the Thirteen Colonies and Britain became increasingly strained, primarily because of opposition to Parliament's repeated attempts to tax American colonists without their consent. Disagreement turned to violence and in 1775 the American Revolutionary War began. In 1776 the Patriots expelled royal officials and declared the independence of the United States of America. After capturing a British invasion army in 1777, the US formed an alliance with France (and in turn Spain aided France), evening out the military balance. The British army controlled only a handful of
Origins of the War of 1812 They made the demand as late as 1814 at the peace conference, but dropped the demand. Their position had been weakened by the collapse of Tecumseh's Confederacy after the Battle of the Thames, but the British also simply no longer considered the goal worth conflict with the United States. Much of the proposed buffer state remained largely under British and Indian control throughout the war. There were several immediate stated causes for the U.S. declaration of war. First, a series of trade restrictions called the Orders in Council (1807) introduced by Britain to impede American trade with France, a country