<prompt> Translate the following text to EnglishIli kupata hisia ya athari za muda mrefu za uchaguzi wa sera ya fedha, tulichunguza mtazamo wa fedha na uchumi katika miaka 75 ijayo chini ya dhana mbili: 1 Serikali ya Shirikisho inaokoa ziada ya usalama wa kijamii tu, na 2 Serikali ya Shirikisho inaokoa ziada nzima ya umoja.  <response>: To get a sense of the long-term implications of broad fiscal policy choices, we examined the fiscal and economic outlook over the next 75 years under two 1 assuming that the federal government saves only the Social Security surpluses and 2 assuming that the federal government saves the entire unified surpluses. 