Final answer:
Confederate troops moved into battle by marching towards the Union lines, facing artillery and gunfire, and charging at close range. This strategy was known as Pickett's Charge at the Battle of Gettysburg.
Step-by-step explanation:
In battle, Confederate troops moved into battle by marching across open fields towards the Union lines. They faced artillery and gunfire, and as they got closer to the Union lines, they charged. Some Union forces retreated, creating gaps in their lines, while others stood their ground and engaged in fierce fighting. This movement and attack strategy by the Confederates during the Civil War was known as Pickett's Charge at the Battle of Gettysburg.