It was A because at the time south korea was an ally with the US
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!
Viacom is the answer the your question which would be choice c
I think its b i just did this ?
The Inca civilization developed on the western coast of south america