By questioning undisputable truths and applying scientific methods to social studies, the tenth Cultural Advance, Sociology, revolutionizes the way how people think of their own social structures. Stemming from these studies, first designs of the <l:7,11>Communism<e> are born. Those who actually embrace this government, gain access to <l:1,72>guerrillas<e>, stealthy warriors who can spread the word of the great global <l:6,125> Revolution<e> into foreign cities. Additionally, all governments benefit from <l:2,29>Prison<e> which reduces <l:6,95>crime<e> and <l:6,124>overcrowding<e> by isolating the most troublesome citizens from the rest.