The Constitution gives the House of Representatives the sole power to impeach presidents and other federal officeholders, while it gives the Senate the duty to hold trials for all who have been impeached. Explore the presidential impeachments that have happened to date in U.S. history, focusing on one such impeachment of your choosing (Andrew Johnson, Bill Clinton, Donald Trump [either time]).
What role did Congressional partisanship appear to have played in both House impeachment charges and Senate trials?