The constitution creates a separation of powers within american government. this idea was influenced by the thinking of which enlightenment figure?
a. baron de montesquieu
b. thomas jefferson
c. john locke
d. jean-jacques rousseau

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during the 20th century, the role of the vice president has evolved into more of an executive branch position. now, the vice president is usually seen as an integral part of a president's administration and presides over the senate only on ceremonial occasions or when a tie-breaking vote may be needed.