I believe that NIBBA spelled ICUP. Might be wrong though! hope this helps.
Because it was mainly Europe that was Christian. Asia was for example mostly Buddhist, Confucian, and Hindu. The Middle East and Northern Africa was Islamic. The rest of the world was influenced by Europe and it’s Christianity.
D. the settlement of unpopulated areas
A. Developing a vaccine to prevent Polio. I just took the test :)
