I believe the answer would be b and c because African Americans were considered property in the south and wanted freedom and equality which is why they joined the war in the first place
The battle between the Merrimack and the Monitor showed that
(D) the North and South were equally matched at sea.
I believe True but I'm not 100% postive
While, B. Constantine, reigned as emperor from 306 A.D to 337 A.D., Christianity began to transition into the dominant religion of the Roman Empire.
