Andrew Johnson was impeached by the new Tenure of Office Act.
Andrew Johnson had been impeached by the House of Representatives in 1868 for trying to oust Secretary of War Edwin M. Stanton in violation of the newly enacted Tenure of Office Act. Despite the Senate's failure to remove Andrew Johnson from office by a single vote, Andrew Johnson's ability to obstruct the course of Reconstruction was eliminated.
To learn more about, Tenure of Office Act, click here, https://brainly.com/question/11399404.
#SPJ4