Question: In what war did america lose the most soldiers?
Disambiguated questions and answers: question: In what war did america lose the most soldiers, counting soldiers that were not fighting for America?
In what war did america lose the most soldiers, not counting soldiers that were not fighting for America?
answer: Civil War
the Civil War
the American Civil War
American Civil War
World War II
Natural Questions answer: American Civil War (from the Wikipedia article "United States military casualties of war")