Possible Clues:

• What TS Eliot was turned down for
• Big conflict that began in 1914, briefly
• Teens fight, for short
• 'A Farewell to Arms' setting, briefly
• Conflict in 2017's 'Wonder Woman,' in brief
• 'Over There' subj
• Conflict that ended Nov. 11, 1918
• Early 20th-cen. conflict
• Doughboys' conflict Abbr.:
• First world war, abbr