if a country uses gunboat diplomacy, it uses the threat of military force to make another country obey it.

Gunboat diplomacy is a dangerous option in the age of nuclear weapons.

• bust your ass
• bust your balls
• but not in the biblical sense
• but on the other
• but on the other hand
• but still and all
• butter someone up
• butter up
• butter wouldn't melt in mouth
• butter wouldn't melt in someone's mouth
• but that's another story
• but then again
• butt in
• butt is on the line
• Button it!
• butt out
• buy time
• buy way
• buy way somewhere
• buy your way
• buy your way somewhere
• buzz off
• buzz word
• by accident or design
• by all means