Complex sentence: After remaining on the border between an authoritarian regime and closed anocracy for over a decade, Zimbabwe's polity score increased in the early 2000s and currently has a polity score of 4, making Zimbabwe an open anocracy.
Split into simpler sentences: After remaining on the border between an authoritarian regime and closed anocracy for over a decade, Zimbabwe's polity score increased in the early 2000s. Currently, Zimbabwe has a polity score of 4, making it an open anocracy.