The Mongols claimed the largest consolidated land empire in history. Seemingly the only way to keep them out was to put the Himalayas between you and them. And many historians believe their power stemmed from an incredibly simple technological innovation: the stirrup.
I think it is A tell if it is wrong.
Answer:
I think the answer is
A. "The Times They Are A-Changin
<span>After the terrorist attacks of 9/11, the federal budget for (c.) National defense has increased</span>