It happened on a weekend. While representatives of the two nations were still negotiating, a fleet of aircraft carriers from one of the negotiating parties approached the territory of the other.
Acting with cold premeditation, early in the morning of that fateful day, the attacking forces did their deed causing devastating damages on the other side.
As it turned out, the negotiations were merely a cover, a deception, to fool de victims.
It was treachery.
But it worked.