Answer:
The Red River Campaign: This was a military campaign launched by the Union army in an attempt to gain control of the Red River valley in Louisiana. The campaign was ultimately unsuccessful, and the Union army suffered heavy losses.
The Battle of the Wilderness: This was a major battle fought between the Union army and the Confederate army in Virginia. The battle resulted in a costly victory for the Union army, and it marked the beginning of General Ulysses S. Grant's Overland Campaign.
The Battle of Spotsylvania Courthouse: This was another major battle fought between the Union army and the Confederate army in Virginia. The battle resulted in heavy casualties on both sides, and it was considered a tactical victory for the Confederates.
The Battle of Cold Harbor: This was another major battle fought between the Union army and the Confederate army in Virginia. The battle resulted in a costly victory for the Union army, and it marked the end of General Ulysses S. Grant's Overland Campaign.
Step-by-step explanation: