Is it water because water can do all of those things right?
Answer:
“The Dust Bowl“ would be my guess.
Explanation:
That is if we are talking about the 30s during the great depression. Hope this helps!
Norway, Sweden, Finland, and Russia
1) Mapping
2) Tracking
3) Military Purposes
I’m not sure exactly what you’re looking for, but the US spent $15m dollars and gained 54% of Mexico’s pre-1836 territory. There’s a nice article on Wikipedia called ‘Mexican Cession’ that seems helpful. Hope this is helpful :)