1: The Grand Renaissance Dam is being built on Blue Nile , a tributary of the Nile River which has been powering the agriculture of Sudan and Egypt -- through which it flows -- for millennia . 2: These countries have opposed the project in the past , fearing that the dam will reduce their share of the Nile water . 3: Neighboring Sudan and Egypt fear that the dam will affect their water supply .
1: Sudan and Egypt 2: These countries 3: Neighboring Sudan and Egypt