Original sentence: However of the eight "plans" (actions to be taken) offered in the memo only one was ever implemented
Edited sentence: Following this provocation, Japan attacked.In Congressional investigations, the War Department covered up their knowledge of Japanese plans to attack, saying that they did not pass warnings to the commanders in Hawaii  because analysts refused to believe that the Japanese would really have the effrontery to attack the United States.Kimmel, and the Army commander, Walter Short - were scapegoated and relieved of their commands shortly after the attack.Many historians argue that it was an error in judgement, and that FDR and his administration were not so machiavellian as to leave sailors on vulnerable ships in port as "bait" for a Japanese attack, others (such as Robert Stinnet) have convincingly argued that they would indeed have done so.On May 25th, 1999 both officers were recommended (posthumously) by the US Senate for exoneration of all charges of dereliction of duty, citing the denial to Hawaii of vital intelligence available in Washington.President Roosevelt, over the course of 1941, implemented all 8 of the recommendations contained in the memo.Since the Administration planned to provoke the Japanese to attack, then knowledge of an immenent attack would have been kept from Army and Naval Command in Pearl Harbour in order to supply greater shock value and whip up the necessary enthusiasm to get the United States to enter a second world war.The U.Two officers in Hawaii - the naval commander Husband E.public, which up until the attack was overwhelmingly isolationist, was told that the attack was a complete surprise, an "intelligence failure", and America entered World War Two