What is a radical in history? (american revolution)

 The word "radical" is popularly used to designate individuals, parties, and movements that wish to alter drastically any existing practice, institution, or social system. In politics,radicals are often seen as individuals and/or parties reflecting "leftist" views.

richard milhous nixon (january 9, 1913 – april 22, 1994) was the 37th president of the united states, serving from 1969 to 1974, when he became the only president to resign (quit). he is also known for corruption and the watergate scandal which resulted in the public losing trust in him and his resignation.