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As Yule Brynner playing the King of Siam sang in Rodger's and Hammerstein's The King and I, "Shall I join with other nations in alliance? If allies are weak, am I not best alone? If allies are strong with power to protect me Might they not protect me out of all I own? Is a danger to be trusting one another...." And nations will always do what they need to do to protect their interests.