In this article, I argue that critical junctures -- defined as sudden turning points in the historic trajectory of countries, institutions, and other units of analysis -- provide a propitious lens to teach the war in Ukraine. By analyzing the influence of this war on energy security in Europe and the world, its impact on public opinion on NATO…

According to Lev S. Vygotsky (1896-1934), the highest levels of abstract thinking and self-regulation in preschool development are established in "pretend play using object substitutions." An extensive research literature supports Vygotsky's empirical model of the internalization of self-guiding speech (social speech > private speech…

The major bibliographic emphasis in this work is on Russia and China, although some of the sub-headings and entries also focus on India and Japan. Entries are listed under the following categories: 1) Bibliographies; 2) Art, Music, Theater, and Dance; 3) Civilization; 4) Communism, Marxism, and Socialism; 5) Customs and Folklore; 6) Economy and…