answers: War in Afghanistan
context: War in Afghanistan (2001–present) The War in Afghanistan (or the U.S. War in Afghanistan), code named Operation Enduring Freedom – Afghanistan (2001–14) and Operation Freedom's Sentinel (2015–present), followed the United States invasion of Afghanistan of 7 October 2001. The U.S. was supported initially by the United Kingdom, Canada, and Australia and later by a coalition of over 40 countries, including all NATO members. The war's public aims were to dismantle al-Qaeda and to deny it a safe base of operations in Afghanistan by removing the Taliban from power. The War in Afghanistan is the second longest war in United States </s> the Indians' lack of power was apparent and the stage was set for further incursions of territory by the United States in subsequent decades. War of 1812 The War of 1812 was a conflict fought between the United States, the United Kingdom, and their respective allies from June 1812 to February 1815. Historians in Britain often see it as a minor theater of the Napoleonic Wars; in the United States and Canada, it is seen as a war in its own right, though it was separate. From the outbreak of war with Napoleonic France, Britain had enforced a naval blockade </s> the defeat of Japan must follow." The Battle of the Atlantic was the longest continuous military campaign in World War II, running from 1939 to the defeat of Germany in 1945. At its core was the Allied naval blockade of Germany, announced the day after the declaration of war, and Germany's subsequent counter-blockade. It was at its height from mid-1940 through to the end of 1943. The Battle of the Atlantic pitted U-boats and other warships of the Kriegsmarine (German navy) and aircraft of the Luftwaffe (German Air Force) against the Royal Canadian Navy, Royal Navy, the United States Navy,
question: what is the longest war in us history