"Separation of Powers" Is a Clause of the U

"Separation of powers" is a clause of the U.S.Constitution that provides that

A) the actions of each branch will be reviewed by the other branches.
B) the duties and obligations of one branch cannot be infringed upon by another branch.
C) the executive branch can only exercise its powers in limited situations.
D) only two out of three branches of government have actual power.