Answer:
Multiplication or division by a power of ten = 
Example:
m --->km
1 -divide the length value by 1000--> 0.001
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City-states built up armies/military strength and strong thick walls. Sargon's creation of his empire changed Mesopotomia because it made it all under one ruler. It also make Mesopotomia stronger.
1st one because that would be domestic not foreign
