<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?ili kupima uwezo wako wa kufanya utafiti, chunguza kuhusu serikali kuu za ulimwengu zinazofananishwa na wanyama kwenye danieli sura ya 7.  <response>: to illustrate how oil can keep authoritarian governments in power, chapter 3 looks at the case of the soviet union. 