In what ways did the war become a symbol of liberty?

For the United States, the pursuit of freedom was born from its origins, and has a lot of relation to the war, taking examples that the Americans fought since the Independence of the 13 Colonies, later fought the American civil war, and finally the most important world war, World War II. For the history of the United States, freedom has been obtained through war with different powers and between the same country, to liberate America from slavery. Many of today's US bellicose interventions have been to liberate areas considered oppressed or dangerous, and although this is highly debatable globally, such actions have been pursued seeking freedom.