One of which is his small-n comparative approach, which is found in his papers of Continental Divide or American Exceptionalism, it is simply defined by Garett Glaslow as the “studies examine a small number of cases in depth”. For Seymour Martin Lipset he argued that “Since it is not possible to do controlled experiments using entire societies, the only way to establish causality is to compare societies that are sufficiently similar that one can hold a large range of factors constant.” And thus, this will allow scholars and researchers to analyse the complex factors that are most likely to elaborate and explain the differences in results. An example is the idea of democracy. Which for Seymour Martin Lipset in his context, the condition of
