Questions Refer to the Table Below

Questions refer to the table below.
World War II Casualties
-Which of the following observations about World War II does the table above support?

A) The war was primarily a European conflict.
B) World War II had the highest percentage of casualties of any war in history.
C) The cause of the war was a consequence of the Treaty of Versailles that ended World War I.
D) The war was global in its scope.