Cenozoic Era, Mesozoic Era, <span>Paleozoic Era, Precambrian Time</span>
Answer:
Other common constraints on development are high economic poverty, hunger, high mortality rates, unsafe water supplies, poor education systems, corrupt governments, war, and poor sanitation.
Explanation:
Answer:
A, They mapped the land and reached the Pacific Ocean, helping the US set claim.
Add-on:
I hope this helped at all. I'm sorry if its incorrect.
B a hurricane, because it’s a naturally occurring event
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