Federal impeachment in the United States
In the United States, federal impeachment is the process by which the House of Representatives charges the president, vice president, or another civil federal officer for alleged misconduct. The House can impeach an individual with a simple majority of the present members or other criteria adopted by the House according to Article One, Section 2, Clause 5 of the U.S. Constitution.
Source: Wikipedia — Federal impeachment in the United States (CC BY-SA 4.0)