<prompt> Translate the following text to EnglishMabadiliko makubwa hayakuwa katika kazi za kila siku na utaratibu, bali katika msingi wa nguvu za kisiasa, ambazo zilibadilika kwa ukawaida na sio lazima kwa amani katika enzi zote.  <response>: 2700 b.c. . The major changes were not to daily tasks and routines, but to the political power base, which changed regularly and not necessarily peacefully throughout the ages. 