Possible Clues:

• Grounds for bringing in troops when the tide's turning
• Matter that's settled
• Forwarded American coin in deposit
• Delighted to accept coin as deposit
• Stuff that settles to the bottom
• Grounds for seizing the American money remitted
• Matter settling (on seabed)
• Deposit crew in rising waters?
• It's laid down in mid-teens
• Grounds for changing men's diet