<span>Emperor Justinian I was emperor of the Byzantine Empire in the 6th century. During his reign, one of the deadliest plagues in history, called Plague of Justinian, which was caused by the bacterium Yersinia pestis (same bacterium responsible for the bubonic plague) wiped out much of the kingdom. Although Justinian contracted it himself, he survived.</span>
The type of resource newspaper accounts are written at the same time an event occurred is called a primary source document.
The battle of Vicksburg cut off many supplies for the Confederate army and the battle of Gettysburg killed so many of Confederate troops that he could no longer attempt an attack on Union soil.