Includes speech notes for WSC's speech (31 March, Massachusetts Institute of Technology (MIT), Boston [United States]) entitled "The twentieth century - its promises and its realisation" on subjects including: the teaching of engineering and science in the United Kingdom contrasted with the situation in the United States; the role of science and the use made of scientific discoveries for military purposes; Great Britain's hopes for the twentieth century; WSC's early political career and social reforms and the improvements in living conditions; aviation and its application in military spheres and the effect of civil aviation; the importance of shipping to the British empire; the growth of communism; the two world wars and the setting up of the League of Nations and the United Nations; the unity of the English-Speaking peoples; the cold war and the likelihood of war with the Soviet Union. Includes the phrase "United we stand secure. Let us then move forward together in discharge of our mission and our duty, fearing God and nothing else." Source material includes: correspondence from John Burchard, Dean of Humanities at MIT, about arrangements for WSC's speech and including a copy of his introductory speech (3); Bernard Baruch; and notes and copies of correspondence from Elizabeth Gilliatt [Secretary to WSC]. Also includes: "Soundscriber" recordings of the speech [see CHUR 5/24/544-46] and a brochure about "Soundscriber" equipment; a copy of the introductory speech given by Bernard Baruch; and newspaper cuttings about the speech. Published: Complete Speeches VII, pp 7801-7810.Speech notes for WSC's speech (16 March, Connaught Room [London]) at the Conservative candidates' dinner on Conservative Party policy.Speech notes for WSC's speech (25 March, Ritz-Carlton Hotel, New York [United States]) entitled "The Communist Menace" at a dinner given by Henry Luce of Life Magazine including: communism, the Cold war, and the threat posed by the Soviet Union; and the likelihood of the Soviet Union obtaining atomic weapons. See CHUR 5/24E/726-741. Published: Complete Speeches VII, pp 7795-801.Speech notes for WSC's speech (29 March, Ritz-Carlton Hotel, New York [United States]) at a United Europe luncheon on: the importance of the United Europe movement within the context of the United Nations and the world powers. Source material includes a report on the political situation in Europe and background notes from Duncan Sandys [Chairman of the International Executive of the European movement].