The terms Teapot Dome, Watergate, and IranContra are most closely associated with "<span>(2) presidential scandals", especially the Watergate scandal which happened under Nixon. </span>
The victory in the landmark court case called Brown v. Board of Education of Topeka, Kansas.
They used the term social contract between the people and their king, if they felt he was a bad king they had the right to impeach him (i think impeach would be the term you use for over throw can't remember.)