Napoleonic Wars War of 1808–1814, assisted by Spanish guerrilla ('little war') tactics. Anglo-Portuguese forces under Arthur Wellesley supported the Spanish, which campaigned successfully against the French armies, eventually driving them from Spain and allowing Britain to invade southern France. By 1815, the British Army played the central role in the final defeat of Napoleon at Waterloo. Beyond minor naval actions against British imperial interests, the Napoleonic Wars were much less global in scope than preceding conflicts such as the Seven Years' War, which historians term a "world war". In response to the naval blockade of the French coasts enacted by the British
British Army during the Napoleonic Wars to Boulogne and Calais. In 1814, the British government had sent a small force to Holland under Sir Thomas Graham to capture the fortress of Bergen op Zoom. The attack, on 8 March 1814, failed and the British were repelled, with heavy losses. Although the United States of America was not allied to France, war broke out between America and Britain ostensibly over issues of trade embargoes and impressment of American sailors into the Royal Navy, both of which were directly or indirectly linked to the Napoleonic wars (the latter of which was not even brought up during the Treaty