That depends on which historical empire you are considering when you ask. However in general an emperor serves as a figurehead of a government and absolute ruler of the military.
The land was called Mesopotamia. Mesopotamia is also referred to as the land between two rivers because of this.
One principle in the theory of mercantilism is that colonies should be subservient to the "mother country," and that they should provide the mother country with great deals of natural resources. <span><span>
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Trial by jury, self incrimination, double jeooardy, and search warrants.
It was lasted over 9 years from December 1979 to February 1989