- the conflict following the revolt of the North American colonies against British rule, particularly on the issue of taxation. Hostilities began in 1775 when British and American forces clashed at Lexington and Concord. Articles of Confederation agreed in the Continental Congress in 1777 provided for a confederacy to be known as the United States of America. The war was effectively ended with the surrender of the British at Yorktown in 1781 and peace was signed at Paris in Sept 1783