Final answer:
The first armed conflict during the Civil War was the Confederate attack on Fort Sumter. On April 12, 1861, Confederate forces began to fire on Union forces stationed at Fort Sumter in Charleston's Harbor. This attack marked the beginning of the Civil War and demonstrated the Confederacy's resistance to the Union's authority.
Step-by-step explanation:
The first armed conflict during the Civil War was the Confederate attack on Fort Sumter.
On April 12, 1861, Confederate forces began to fire on Union forces stationed at Fort Sumter in Charleston's Harbor. This attack marked the beginning of the Civil War. It was a significant event because it demonstrated the Confederacy's resistance to the Union's authority and set the stage for the subsequent battles and conflicts that would take place during the war.