1. c
2. c
3. b
4. d
those are the correct answers
I don't know the answer but try reading this:
https://www.history.com/topics/1960s/robert-f-kennedy
It should help give you information.
Good Luck!!
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>
"A. Coal was the main source of energy during the Industrial Revolution" is not true of coal production during the Industrial Revolution, since it was in fact the steam engine that superseded coal later in the Revolution.<span />
