The words this, that, those, and these are demonstrative pronouns.
During the Civil War, there was a lot of carnage. People wouldnsend their sons, husbands, etc. off to war, and never expected them to return. If you were on the battle field, there were so many fatalities and numerous injuries. Soldiers lost limbs, and nurses and doctors would have to try to save them with little supplies and no sterile environment.
the correct answer is D , all of the above
It is Proofreading, it can't be revising because your not actually changing anything, your just looking for the errors.
