The attempted impeachment was due to his refusal to compromise on black rights and reconstruction of the Southern state governments. Under the High Crimes and Misdemeanors he violated the Tenure of Office Act by firing Stanton. Short one vote, the Senate failed to convict.
ulterior motive: The Senate was furious with Johnson for refusing to compromise his standpoints on black rights and the reconstruction of the South after the Civil War.
legal reason: Johnson violated the Tenure of Office Act by firing Stanton, a member of his cabinet, without gaining the approval of the Senate. However, the law was unconstitutional, and Johnson wasn't impeached (by one vote)
Andrew Johnson's conciliatory rules in direction of the South, his hurry to reincorporate the former Confederates returned into the union, and his vetoes of civil rights charges embroiled him in a bitter dispute with the novel Republicans. The Radicals interior the residing house of Representatives impeached him in 1868, yet he substitute into acquitted via a single vote interior the Senate. because of the fact he substitute into acquitted interior the Senate he substitute into technically in no way totally impeached.