Answer:
ffalse answer brcause you know it
Well, on January 18, 1918, President Woodrow Wilson gave a speech to Congress that outlined Fourteen Points for peace and the end to World War I. Wilson wanted lasting peace and for World War I to be the "war to end all wars." The United States entered World War I on the side of the Allies on April 6, 1917.
The common answer for this is that it is a joke. He was singing that because he was singing a few bars. This is a wordplay on the word bar of soap, and also on the fact that bars in music are <span>a segment of time corresponding to a specific number of </span><span>beats, so it's a pun actually.</span>
The point was that it was negotiation for two parties, they would force interaction between eachother to get an advantage in the negotiation over the other.
Explanation:
Example: this was used as a policy in the US to coerce the Soviet Union into backing down militarily.