Marx, Karl, 39, 100, 101, 110, 153, 162, 308, 309; attitude toward religion, 14, 15, 18, 237, 299, 301; biographical, 13-18; co-author of _Communist Manifesto_, 21, 286; denounces imperialism of Czars, 40; develops communist theory, 13, 17-23, 25-28, 317, 318, 321, 322; helps found First International, 22; quotations from, 14, 15, 17, 22, 241, 286, 299, 318, 321; works of, 158, 239, 328-329 _Marxism and the National Question_, 244 Marxism-Leninism, 13, 18-23, 37-39, 43, 67, 68, 177, 240, 280, 309-311, 317, 318, 322, 326 Marxist-Leninist Institute (Russia), 59 Mass agitation, 181, 185-199, 214, 218-220, 223-225, 236, 286, 303 Masses, communist attitude toward, 21, 161, 198, 322, 323 Materialism. _See_ Dialectical materialism (dialectics) Mayakovsky, Vladimir, 34 Member, Communist Party; assignment to clubs, 133-135; “concealed,” 79-82, 84, 85, 123, 124, 134, 200, 206, 213, 219, 225, 255; “open,” 77-79; Party life of, 138-149; reasons for breaking away, 108-120; reasons for joining, 97-108; type of in early 1920’s, 48-50, 56; varied backgrounds of, 97, 98. _See also_ Recruitment of members; Underground; Discipline; Functionary, Party Members-at-large, 134 Membership. _See_ Communist Party, USA, numerical strength Mensheviks, 27, 315 Minorities and communism, 226-236 _The Modern Quarterly_, 59 Mohammedanism, communist attitude toward, 240, 299 Molotov, Vyacheslav, 42 Morality, communist, 107, 184, 301, 323. _See also_ Ethics _Morning Freiheit_, 238, 248 Mussolini, Benito, 101 _The Mystic Trumpeter_, 149, 313 National Association for the Advancement of Colored People (NAACP), 229, 230, 235 National communism, 39 National Negro Congress, 65, 234 National Negro Labor Council, 212, 216 National Organization Department (CPUSA), 131 Nationality groups, communist infiltration into, 131, 216, 226, 235, 236 Nationality Groups Commission (CPUSA), 131, 236 Negro Commission (CPUSA), 131 Negroes, communist attempts to influence, 101, 102, 115, 132, 184, 226-235, 310 Nelson, Steve, 60 New Economic Policy (NEP), 31, 40 _New Masses_, 90 New York _Times_, 173, 250 Novick, Paul, 237, 238, 242, 247 Novikov, Yuri V., 276-278 October Revolution. _See_ Bolshevik Revolution Officials. _See_ Functionary, Party Opportunism. _See_ Right-wing opportunism Opportunist, communist exploitation of, 85, 86, 206, 209