D!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
That expansion of slavery was a major problem for the nation
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.
