<P> Actions that may characterize the post-19th century concept of total war include: </P> <Ul> <Li> Strategic bombing, as during World War II, the Korean War, and the Vietnam War (Operations Rolling Thunder and Linebacker II) </Li> <Li> Blockade and sieging of population centers, as with the Allied blockade of Germany and the Siege of Leningrad during the First and Second World Wars </Li> <Li> Scorched earth policy, as with the March to the Sea during the American Civil War and the Japanese "Three Alls Policy" during the Second Sino - Japanese War </Li> <Li> Commerce raiding, tonnage war, and unrestricted submarine warfare, as with privateering, the German U-Boat campaigns of the First and Second World Wars, and the United States submarine campaign against Japan during World War II </Li> <Li> Collective punishment, pacification operations, and reprisals against populations deemed hostile, as with the execution and deportation of suspected Communards following the fall of the 1871 Paris Commune or the German reprisal policy targeting resistance movements, insurgents, and Untermenschen such as in France (e.g. Maillé massacre) and Poland during World War II </Li> <Li> The use of civilians and prisoners of war as forced labor for military operations, as with Japan and Germany's massive use of forced laborers of other nations during World War II (see Slavery in Japan and Forced labor under German rule during World War II) </Li> <Li> Giving no quarter (i.e. take no prisoners), as with Hitler's Commando Order during World War II . </Li> </Ul> <Li> Strategic bombing, as during World War II, the Korean War, and the Vietnam War (Operations Rolling Thunder and Linebacker II) </Li> <Li> Blockade and sieging of population centers, as with the Allied blockade of Germany and the Siege of Leningrad during the First and Second World Wars </Li>

When was the last time the united states fought an all-out conventional war