Not only establish control or presence, but to maintain control throughout their widespread nation through the use of these purposely similarly widespread system of military bases.
Answer:
It would be Seperation of powers
Explanation:
Separation of powers, division of the legislative, executive, and judicial functions of government among separate and independent bodies. Such a separation, it has been argued, limits the possibility of arbitrary excesses by government, since the sanction of all three branches is required for the making, executing, and administering of laws.
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D.) Almost doubled the area of the U.S. and gave it control of the Mississippi River.