Possible Clues:

• State with three counties
• Nice English will keep rules and regulations in US location
• One of the original 13 United States, capital Dover
• Escorted back, knowing where Dover is
• 'The First State'
• Dover's state
• A leader upset about western state
• Peckham wide boy knowing where Dover is
• First State or Diamond State, capital Dover
• Derek Trotter knowing bit of America