It was A because at the time south korea was an ally with the US
I am absolutely sure that the statement represented above : Deep within the jungles of Mexico and Guatemala lie most of the Mayan ruine is TRUE. I think so because Mayans are actually originated in the areas which are stated in the question. So I am sure it will help you!
Cheers.
Here are the chronological events:
1. <span>humans survived by hunting and gathering.
2. </span><span>the the neolithic revolution occurred,
3. </span><span>people could farm and store a surplus of food,
</span><span>4. advanced civilizations developed
</span>The advancaement in agricultural technology became the turning point in human history because it allow humans to modify food availability in order to sustain our survival, which lead to massive population growth and safety over period of time.