The official reasons given by Congress for wanting to impeach President Andrew Johnson included the following:
- He vetoed twenty different Reconstruction bills.
- He fired Secretary of War Edwin Stanton, which was against the Tenure in Office Act.
The other options provided are not accurate statements regarding the reasons for his impeachment. Johnson was not involved in the assassination of Lincoln, and he did not vote for Radical Reconstruction; rather, he opposed it, which was one of the central issues leading to conflict with Congress.