Well first off the founders, any amending documentation, and input by the civilian population. From there they can grow, fall, adapt, or die. In seemingly infinite ways the gov. or population can be changed.
The answer to this is B. It lies west of Mississippi River and East of Rocky Mountains in the U.S and Canada.
Hope this helped :)
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Measurement and Data
A Global Network
Secular Variation and Earth's Core
Crust, Ocean, and Mantle
Quiet Time Variation and the Ionosphere
Magnetic Storms and the Magnetosphere
i gave you six because im not sure im right but i hope it helps im sorry if they are wong tho :/