But analogies are not always wrong, and those that were wrong in the past could prove correct today. One of the arguments for the Vietnam War was the so-called domino theory.  If South Vietnam was to fall to the Communists, other countries in South-East Asia would tumble before Communist insurgency.
Uno de los argumentos para la Guerra de Vietnam fue la llamada teoría del dominó. Si Vietnam del Sur caía ante los comunistas, otros países en el sudeste asiático sucumbirían ante la insurgencia comunista.