Montesquieu’s view of the separation of powers was later expressed in the united states government through which document?

Montesquieu’s view of the separation of powers was later expressed in the United States Government through the "Constitution", since the Founding Fathers wanted to make it impossible for a single branch of government to become too powerful and possibly tyrannical. 

Sir thomas more, venerated in the catholic church as saint thomas more, was an english lawyer, social philosopher, author, statesman, and noted renaissance humanist. he was also a councillor to henry viii, and lord high chancellor of england from october 1529 to 16 may 1532. i found this information on wikipedia