3. The Preamble of the US Constitution is: (1 point) -A declaration of war against America's enemies
-A statement to the king reaffirming our independence from Great Britain
-The introducton and mission statement for the new federal government under the US
Constitution

It would be B. Hope this helps.

Explanation:

montesquieu took the view that the roman republic had powers separated so that no one could usurp complete power. in the british constitutional system, montesquieu discerned a separation of powers among the monarch, parliament, and the courts of law.