Possible Clues:

• Perk of a powerful military
• The use of fear to dissuade
• Discouragement as lower classes hear Latin poet
• What discourages lower classes reciting Roman dramatist?
• Sleeveless garment
• Check
• Discouragement of Parisian introducing Roman writer, say
• Discouragement of French king grasped by old poet
• What nuclear weapons provide
• Forceful discouragement or dissuasion