The most startling aspect of Preston Brooks, the 19th century southern congressman, was his temperament, (i)____________ to the point of violence. While a man of principles, he did not merely piously pray for political converts – more likely, opposition would cause him to become (ii)____________ and fly in to a rage. Famously, he once (iii)____________ a foe into unconsciousness on the floor of the Senate. A. quixotic B. figuratively unstrung C. bored D. volatile E. literally insane F. caned G. quiescent H. practically incomprehensible I. lulled