[PAR] [TLE] Causes of World War I [SEP] The causes of World War I remain controversial and debated questions.  The war began in the Balkans in late July 1914 and ended in November 1918, leaving 17 million dead and 20 million wounded. [PAR] [TLE] World War I casualties [SEP] The total number of military and civilian casualties in World War I was more than 41 million: there were over 18 million deaths and 23 million wounded, ranking it among the deadliest conflicts in human history.
[PAR] [TLE] Causes of World War I [ SEP ] The causes of World War I remain controversial and debated questions . The war began in the Balkans in late July 1914 and ended in November 1918 , leaving 17 million dead and 20 million wounded . [PAR] [TLE] World War I casualties [ SEP ] The total number of military and civilian casualties in World War I was more than 41 million : there were over 18 million deaths and 23 million wounded , ranking it among the deadliest conflicts in human history .
Which war is considered the deadliest and most controversial in world history?
Which war is considered the deadliest and most controversial in world history ?
World War I
World War I