sentences:  The League touted seven prominent Vice-Presidents during the last years of the 1930s, including Van Wyck Brooks, Erskine Caldwell, Malcolm Cowley, Paul DeKruif, Langston Hughes, Meridel LeSueur, and Upton Sinclair.The 3rd Congress of the League of American Writers, held in New York City in June 1939, once again opened with a Friday night public session at Carnegie Hall.Poet Langston Hughes delivered the keynote address, in which he likened the situation of American blacks to that of the Jewish minority in Germany, with but one difference