Answer :

Homewk
Congress, president and house of representatives and etc. The whole system guarantees protection against abuse of government power that why it was crafted like the way it is
It's a circle if the congress abuse their power the president can vito their decision.  
thomasjam697

Answer:

Constitutionally guaranteed protections against the abuse of government power are called civil liberties.

Explanation:

These are protected by parts of the Constitution such as the Bill of Rights and also the precedent established by courts since the writing of the Constitution.