Which of the following best summarizes the fall of the roman empire? a. the roman empire fell to invaders and the entire empire dissolved in 500 c. e. b. the roman empire was divided into western and eastern halves. the western half was taken over, and the eastern half became the byzantine empire. c. the roman empire was overrun by an invasion of greeks. d. the roman empire fell due to internal weaknesses caused by overpopulation and an unwillingness to move beyond a roman republic.