They must have been good if people are asking this question
Both sides in the US Civil War used spies. Many Union spies lived in Richmond and vice versa regarding Washington DC. Espionage however had little to do with the outcome of the war.
There were several women spies during the US Civil War, including Rose O'Neal Greenhow, a prominent Confederate spy, and Belle Boyd, who spied for the Confederacy. Other notable women spies included Elizabeth Van Lew, who was a Union spy, and Mary Elizabeth Bowser, an African American woman who worked as a spy for the Union while posing as a slave in Confederate households.
During the US Civil War, espionage was a factor in gaining information about both the North & South. The South had spies in Washington DC and the North had spies in Richmond, Virginia.
They seceded from the Union, and the US Civil War, followed.
US civil war
The spies were the cause of rumors of a military takeover of the Federal government in the US Civil War.
The Union of the North, and the Confederates of the South fought in the US Civil War.
The US capitol now and during the US Civil War was Washington DC.
Abraham Lincoln was the President of the United States, or Union, during the US Civil War.
There were 34 States in the Union when the Civil War began.
As might be expected, the Union had a number of officers with the rank of general in the US Civil War. At the end of the war, however, US Grant was in charge of the Union's fighting forces.
Union