The 'Rom Note' was a memorandum prepared by Maharaja Ganga Singh of Bikaner. Statement A is correct: It was prepared in the second decade of the 20th century (specifically, around 1917-1918). Statement C is correct: It discussed the political situation of India and its potential, advocating for greater self-governance and the rights of Indian states. Statement D is correct: It clearly articulated the grievances of the rulers of Indian states against the British Government, highlighting issues related to their autonomy and participation in governance. Statement B is incorrect: While it was prepared during a period that overlapped with the First World War, the note itself was not prepared during the war in the sense of being a wartime document; rather, it was a pre-war political statement presented at the Imperial War Conference in London in 1917.