Which of the Following Statements About the Past 100 Years

Which of the following statements about the past 100 years is correct?

A) It has seen less bloodshed and suffering than most previous eras.
B) It is probably the bloodiest century in human history.
C) There has been little bloodshed in the wealthy countries but a great deal in the poor nations.
D) There has been little bloodshed in the poor nations but a great deal in the wealthy nations.
E) There was a great deal of bloodshed during the cold war but international levels of violence have greatly declined since then.