Related Clues:

• Drawn-out attack
• The type of economics that leads to blockade?
• Attack that requires patience
• Alternative to a blitz
• Campaign that may involve catapults and trebuchets
• Attack involving encirclement
• Burn with energy for new blockade
• Battle tactic
• Kept going; supported
• Lengthy assault
• Lay ___ to
• 'State of ___' (Mahmoud Darwish poetry collection)
• For investment, one’s raised for example euros initially
• Kept going and took action about blemish
• It might involve a battering ram