Answer: what grade is this
Explanation:
The battle you are referring to is actually called the Battle of the Ironclads. In this battle, it was the Merrimac (from the Confederacy) versus the USS Monitor (from the Union). This was the first battle between iron-fortified vessels in the Civil War. This battle ended up in a draw but represented a new form of fighting that both the Union and Confederacy had to be ready for.
Answer:
D.
Explanation:
The Russian Civil War is a bloody, 6 long year conflict resulting in 7 to 12 milions total casualties. In contrast, WW1 costed about 40 millions lives worldwide. Which means the Russian Civil War has 1/4 of the casualties of WW1, one of the deadliest in history.