I think it’s b but I’m not sure
Both Napoleon and Snowball definitely want the the farm run by animals by getting rid of Mr. Johns and they both are instrumental in spreading Animalism. But they are also different, Snowball wants animals to work together and run the farm, while Napoleon is more totalitarian and eventually usurps power.
It's about 0.32. Hope I helped!
Either, Meroe became very involved in nation trade, or, traders from other lands traveled the Nile to exhchange goods.