There are several main topics of interest here:
(1) The US plan to provoke Japan to fire the first shot, so as to motivate an isolationist US public to join the war against Germany
(2) US intercepted Japanese Bomb Plot Grids for Pearl Harbor, but did not warn Kimmel
(3) Vacant Sea: US clears shipping out of the path of the Japanese carrier force, to prevent accidental discovery
(4) Myth of the radio silence of the Japanese carrier force
(5) US moved its aircraft carriers & modern warships away from Pearl Harbor, leaving only old ships to be sunk by the Japanese attack
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