It is A. Kublai Khan I just took the test and got a 100% the answers are
1 D. Marco polo
2 A. Kublai Khan
3 <span>A.Travel by land was hazardous because of difficult terrain.
</span><span><span>C.Merchants, more than anyone else, undertook long-distance travel.</span><span><span> And finally
<span>D.</span></span><span>Travelers used a variety of pack animals, including camels, horses, and yaks.</span></span></span>
This would be the Strategic Defense Initiative, which was nicknamed "Star Wars".
Hope this is helpful!
The answer to your question is C.
