Cairo claims a historic right to the river dating from a 1929 treaty between Egypt and Sudan represented by colonial power Britain And A 1959 treaty boosted Egypt's allocation to around 66 percent of the river's flow, with 22 percent for Sudan Wow. That sounds like it obliges Burundi, Democratic Republic of Congo, Ethiopia, Kenya, Rwanda, South Sudan, Tanzania and Uganda to collectively use no more than 12% of the Ni…
Those countries have other sources of fresh water besides the Nile
Now that one of the poor upstream states wants to use the water passing through their backyard to tackle these issues, the most important issue is who needs a given resource more?