The Constitutional Power: To Impeach and Remove. How can it be seen that Congress is Highly Effective, but not, at this?

-Highly Effective as Congress does use this Power. Very Important as it holds Public Officials to Account. Ensures no abuse of power occurs -Limited as it is so Hard to Achieve and so does not act as a Huge Restriction for the President. Trump even managed to use the Impeachments as Popularity Boosts!