President Abraham Lincoln meets with soldiers during the Civil War. .They began their journey in the sweltering heat of Council Bluffs, Iowa, on, leaving their loved ones behind.

More than 600,000 soldiers were killed in what remains the bloodiest conflict in the history of the United States.Mormons consider it a religious obligation to trace their ancestors, stemming partly from a conviction that family relationships can continue after death.

We saw the beginnings of national cemeteries.Information on soldiers like Edwin Francis Jemison, a Confederate soldier who died in the Civil War at age 17, can be found in FamilySearch's online records.The pension files also often contain supporting documents such as narratives of events during service, marriage certificates, birth records, death certificates, pages from family Bibles, family letters, depositions of witnesses, affidavits, discharge papers and other supporting papers.