During the Civil War the digging works were carried out by:
The units of Engineers Corps of both Armies,
The slaves, employed by the Confederates to set up entrenched camps and lines,field fortifications, repair roads, bridges, railroads etc.
The escaped slaves, employed by the Federals, though not in the same number as the Confederates did with the slaves.
The US capitol now and during the US Civil War was Washington DC.
Abraham Lincoln was President during the US Civil War.
Us civil war
Abraham Lihcoln was the president during the US civil war.
the US supported korea during the civil war
US civil war
An Abolitionist supported the abolition or end of slavery during the US Civil War.
Abraham Lincoln was the President of the US during the Civil War.
Abraham Lincoln was president during the US Civil War.
Abraham Lincoln was president during the US Civil War.
Yes, submarines were used by the Confederate Navy in the US Civil War.
No during the Civil War Alaska was a Russian Colony.