Related Clues:

• Prolonged assault
• Attack from all directions
• It may force a city to surrender
• Campaign against Troy, e.g.
• Encircling tactic
• Attack tactic
• Long period, as of illness
• The Trojan Horse ended one
• Battle of attrition
• More than a raid
• Like many objections
• Prolonged campaign
• Drawn-out battle
• Protracted attack
• Attack upon a city