. . . . . . . "Describes the nature of communism as it has evolved during the twentieth century, including its economic and political theory and the efforts of the United States and its allies to prevent its further expansion." . "Communism in our world"@en . "History" . "History"@en . "Communism in our world" . . . . . . . . . . "Juvenile works" . . "John Day Company." . . . .