What are the altered borders based on? Ethnicities?
I taken some resources, and tried to make borders for African countries the way it should've been, to see how much exactly Europeans screwed up.
Based on Ethnicities mainly (I grouped up similar ethnicities), and linguistic reasons. (Linguistics are basically the Human made ultimate guide on migrations and how/when they happened)
I also took in mind other reasons like frictions between tribes and stuff that were existent before the Modern African countries became independent.
The big nation in the Sahara desert is the Tuareg, a people who are distinct to all it's neighbors, but they are migrational and homeless and I don't think they would like to give up their life to settle down, so I will probably erase them, and give all it's neighbors straight lines in the Desert.
I am expecting that the lines I draw correlate to how successful/poor a nation has done since achieving independence, and to see if the big reason is the grouping of similar/dissimilar people into an enclosed environment.
On regards to the map, I completed most of the Horn of Africa, still got Ethiopia to do, and you'd be surprised at how big and widespread the Somali country/ethnicity is. (also a great example that contradicts my expectations, but their failure is due to different reasons than ethnicity.)