Hey Jasmine812!
The Incas used khipu, the system of recording numbers by tying knots on strings! The numbers were indicated by knot type and position on the cord.
I hope this helps!
The Korean war never been called anything else that I know of
<span><span>A)the official end of nomadic herding</span><span>B)the establishment of long houses along primary rivers</span><span>C)the creation of earthen mounds, known as earthwork mounds</span><span>D)<span>the location of several water sources required for survival
it is c
</span></span></span>
Answer: The fact that is surrounded by water on three sides. This made it so that attacking armies only had one land front to advance their armies on.
