Depending on how tightly or loosely you want to define war. The U.S has been in almost constant state of war since its inception. Even during the founders day. Normally low-intensity conflicts only affecting small parts of the country. But armed conflicts nonetheless. Whether Congress was willing to acknowledge it or not.
Whether it was Military campaigns on the frontiers against native Americans. Anyone of numerous domestic instances and pseudo-revolts that necessitated call ups of State Militia or Federal Troops. Cross border police actions to. Not to mention the Civil War. The Labor and Land Conflicts of the Gilded Age. Blair Mountain etc. Then there’s the Regime change operations in support of the Corporate sector throughout Central America and the Caribbean in the early 20th century etc.
Depending on how tightly or loosely you want to define war. The U.S has been in almost constant state of war since its inception. Even during the founders day. Normally low-intensity conflicts only affecting small parts of the country. But armed conflicts nonetheless. Whether Congress was willing to acknowledge it or not.
Whether it was Military campaigns on the frontiers against native Americans. Anyone of numerous domestic instances and pseudo-revolts that necessitated call ups of State Militia or Federal Troops. Cross border police actions to. Not to mention the Civil War. The Labor and Land Conflicts of the Gilded Age. Blair Mountain etc. Then there’s the Regime change operations in support of the Corporate sector throughout Central America and the Caribbean in the early 20th century etc.