The sahara made migrating rough because it was a desert but it was easier to pass through rather than south afria going through jungles
They should study about how volcanoes erupt or explodes
There would be two answers for this question. For the reasons that it could give people an idea of what cause the regional conflict taking place and it also influences the region's political and economic decisions. Furthermore, understanding the people on both of these regions would give us a keen understanding on how they are different from us.
