Answer:
Brainly robots are on crac k. Almost as bad as the ones on Yahoo Answers now.
Explanation:
<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be "primary and secondary sources", since the historian uses secondary sources to give background information on the topic in question, and primary sources to make an original point that adds to the body of research. </span></span>
