The 1862 battle between the Monitor and the Merrimack was MOST significant because it was

Responses

Athe first naval conflict in the Civil War.
the first naval conflict in the Civil War.
Bthe first major Confederate defeat in the Civil War.
the first major Confederate defeat in the Civil War.
Cthe first time Union forces had been defeated in battle.
the first time Union forces had been defeated in battle.
Dthe first battle fought between ironclad ships in the Civil War.

Dthe first battle fought between ironclad ships in the Civil War.