(A) ** Battle of Bull Run
(B) Battle of the Iron Clads
(C) Battle of For Sumter
(D) Battle of Richmond
EXPLANATIONS BELOW
Concept note-1: -The first Battle of Bull Run (also called the first Battle of Manassas) was the first major land battle of the Civil War. Following President Abraham Lincoln’s orders, the Union Army under General Irvin McDonnell marched from Washington, D.C., to seize the Confederate capital of Richmond, Virginia.
Concept note-2: -Federal forces under General Irvin McDowell attempted to flank Confederate positions by crossing Bull Run but were turned back. The end result of the battle was a Confederate victory and Federal forces retreated to the defenses of Washington, DC.