Louis Pasteur is the inventor.
Answer:
I just researched what HBCU is apparently all the universities you listed are supported by the HBCU, Since you have put 5 A's in your answer choice, I'm assuming it's the one you didn't mention. Please check again and let me know if these 4 state universities are the only one mentioned, or if you left one out by accident.
Answer:
The battle between the Monitor and the Merrimac (This was the ship's name when it was a US Navy ship. The CSA renamed it the Virginia) was the most famous naval encounter of the American Civil War. It is important because it showed that the era of wooden ships was coming to an end.