<span>There wasn't enough money in circulation to support a healthy economy.</span>
I think the answer is the first choice but I'm not 100% sure
Answer: This might not be what you were looking for but this website gives you 4 examples and there's a video to watch.
https://nmliving.com/2016/08/21/legendary-new-mexico-technology/
C. im not for sure but hope it helps
Answer:
The olmec heads are stone represntions of a human head. These monuments are made up of large basalt boulders
Explanation: