What did parasite carried the plague?​

 yes

Explanation:

Bubonic plague is caused by the bacterium Yersinia pestis, but it may also cause septicaemic or pneumonic plagues. The Black Death was the beginning of the second plague pandemic. The plague created religious, social and economic upheavals, with profound effects on the course of European history.

the answer would be a)henry grady because he came up with the term "new south"