that is very easy it is the Civil War :)
and second would be World War II
Tha American Revolutionary War!!!
The Somme or Verdub
yes it was
The US civil war
Largest military AND civilian casualty and death rate.
alasks
Yes, the Civil War was the bloodiest war in American history, with an estimated 620,000 to 750,000 soldiers killed.
Yes, the Civil War was the deadliest war in American history, with an estimated 620,000 to 750,000 soldiers killed.
American Museum of Natural History
Michael jacksn
The American Civil War
what is the name of the war that was the bloodiest single day of fighting in american history