Related Clues:
- Component of some economic sanctions
- Severe backup
- Obstructive pileup
- Problem on a channel
- Prohibition on trade
- A ban on trade
- Ban or restraint on trade
- A deadlock of wooden proportions
- Official ban or blockade on trade
- Order forbidding ships to enter or leave port, and a ban on trade
- A deadlock or work accumulation
- Official ban on trade or commerce
- An official trade ban
- Official prohibition as on trade
- Order forbidding trade