To explain their empire and concur more land
they made a system that divides power.
(I'M NOT SURE OK MIGHT BE WRONG)
Answer:
Western observers have stated that the RPF prioritized taking power over saving lives or stopping the genocide. The RPF victory was complete when Kigali was captured on 4 July and the rest of the country on 18 July. The RPF's Pasteur Bizimungu was installed as President of Rwanda, with Kagame appointed vice president.
Their roads and stable infrastructure were the primary reasons that they were able to control such a large empire
D, because that one starts with "why" which automatically opens it up for an argument. While the others are just simply statements or just a basic question.