Because he sucks thats what i realy think hope i helped
The variety of information is for example:
archaeological find
primary sources, such as video recordings, sound recordings or testimonies of wittnesses
background and context information
linking dependencies and motivations (for example: what was the motivations for the crusades?)
they collect this information to provide a comprehensive account of the events, but they do take into account that any new information could change how we view something.
Nixon was never impeached, but it seems the only two presidents that have been impeached are Andrew Johnson and Bill Clinton-
