Read the excerpts from Articles I, II, and III of the Constitution. Which founding principle is expressed in these Articles?


Article I, Section 1


All legislative Powers herein granted shall be vested in a Congress of the United States, which shall consist of a Senate and House of Representatives.


Article II, Section 1


The executive Power shall be vested in a President of the United States of America.


Article III, Section 1


The judicial Power of the United States, shall be vested in one supreme Court, and in such inferior Courts as the Congress may from time to time ordain and establish.


A: liberty

B indirect democracy

C. freedom of religion

D. separation of powers