Why did Montesquieu advocate the separation of powers? to stop political parties from gaining too much power
to ensure power divisions along party lines
to eliminate conflict between branches of government
to limit the power of any single group or person

Option C

Explanation:

In simple words, The division of authority is a reflection of the government of the society. Through this design, the administration of the nation is split into divisions, each with distinct, autonomous powers and obligations, such that the forces of one division may not be in competition with those of the certain divisions.

The traditional division is made up of three departments: the assembly, the executive , as well as the judiciary, which is the political trias model. This can be compared with the unification of powers in constitutional and presidential system regimes, where the administrative and judicial branches intersect.

D- to limit the power of any single group or person

Explanation:

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powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.