However , his investment lost most of their value during the US Civil War which spanned 1861 -- 1865 .
When he left America , Harlan invested his money into American securities which at the time would earn him an income of $7,000 per year .
His investment lost most of their value during the US Civil War which spanned 1861 -- 1865 .
When he left America , Harlan invested his money into American securities which at the time would earn him an income of $7,000 per year .