The correct answer is definetly d
Hello to answer your question fully.
A: <span>Roger B. Taney </span>was the chief justice of the Supreme Court during the Scott v. Sandford case.
Signed by, Frequent Answerer Sargedog
<span>the chinese sailor that began a series of seven naval expeditions that went as far as the east coast of Africa was : Zheng He
He was a chinese diplomat and navy fleet admiral that served under the Ming Dynasty. In order to bring riches to the kingdom, he traveled all around the wolrd to find resources</span>
