How are the cultures in south america like the cultures in mexico and how are they different?

2686-2181 bce-- "egyptian civilization developed along the nile river in large part because the river’s annual flooding ensured reliable, rich soil for growing crops."

1069-664 bce-- "ancient egyptians developed wide-reaching trade networks along the nile, in the red sea, and in the near east."

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explanation:

i think the answer is the one about environmental and social health.

hope this

to act quickly in times of danger to the united states

because you have to act quickly if you want to live/survive.