Because of their gun boats
Also because they had given up trying to reach Richmond overland, as attempted at First Bull Run. McLellan thought it would fail.
They did not burn it....the Confederates did it.
The Union Army captured Richmond in 1865, which was the capital of the Confederate States of America. Shortly after that Robert E. Lee surrendered.
Robert E. Lee's Army of Northern Virginia.
April 14, 1865
To capture Richmond, the Confederate capital.
Richmond, Virginia.
because he is a boss like that
To call Android attack on Richmond, the Confederate capitol
The Union Army had to cross the James River on its way from Cold Harbor to Petersburg. Richmond is on the James River which flows on southeastwardly from Richmond, to the Chesapeake Bay. The James becomes much wider after passing Richmond, and to cross it the Union army had to build temporary pontoon bridges over 2100 feet long, among the longest ever built.
The reason the capturing of the Confederacy capital in Richmond was so difficult for the Union to accomplish was because it was so well guarded. The Confederate Army, protected it because they felt the Confederacy would fall if Richmond fell.
General Ulysses Simpson Grant led the Army of the Potomac.
Richmond, Virginia Improvement. The first Capital of a Confederate State which was conquered by the Union was Nashville, Tennessee