The union forces where heading towards (C) Richmond when they met the Confederates at Fredericksburg
Step-by-step explanation:
The Battle of Fredericksburg refers to the battle that was fought between the Union forces and the Confederate Army of Northern Virginia in the year 1862.
The union forces where led by Maj Gen. Ambrose Burnside. and the Confederate Army of Northern Virginia General Robert E. Lee
Major General Ambrose Burnside led the Union toward Richmond and they headed towards the Confederates at Fredericksburg.
This battle (i.e. Battle of Fredericksburg) was a big defeat for the Union Army against the Confederate Army of Northern Virginia
Thus we can say that The union forces where heading towards (C) Richmond when they met the Confederates at Fredericksburg