Possible Clues:

• This should forbid 'em to go to the pub
• Love to impress me, when lifting prohibition
• Ban imposed by English doctor on Greek ship
• Despite Prohibition this will make them go around to the pub
• Ban; prohibition
• Primarily, export managers' ban heading off freight
• Order forbidding ships to enter or leave port, and a ban on trade
• Almost board ship ahead of travel ban
• Amber changing to green light - yet causing a stoppage
• Prohibition raises nothing to catch my interest