It was always an odd theory, and it became more so with the passage of time, as we shall see. Most egregiously, it posited that the countries of East and Southeast Asia had no individuality, no history of their own, no unique circumstances in social, political, and economic life that differentiated them from their neighbors. Yet the theory had a certain plausibility at the outset in 1949–50, while the regional implications of Mao’s triumph were unclear. Its simple imagery also perfectly suited the charged political atmosphere in the United States in the period.

