useless trivia: What Word Means: To Concur?

Questions

What country's currency is considered the most difficult to counterfeit?

What is the southernmost state in the US?

What country would you be in if your train's engine had S.N.C.F. painted on it?

Where do divers leap from a 100 foot cliff into waters between the Quebrada rocks?

Where can you make a meal of Spaghetti Junction?