President Andrew Johnson succeeded President Lincoln following the latter's assassination. President Johnson had attempted to re
move War Secretary Edwin Stanton from his position and failed. Congress was already unhappy with many of his decisions and policies, so after Johnson's repeated attempts to remove Stanton, the House chose to investigate his firing of Stanton on the grounds that Johnson had violated the Tenure of Office Act. Johnson's formal investigation by the House of Representatives is an example of __________.
