The cultures of North Africa (the Arab, the Berber and the Bedouin cultures) are separated from the rest of Africa (that is South and central Africa, with Bantu and other cultures) by the desert: Sahara.
Sahara is very hard to cross: so many people would avoid even trying, fearing death from heat and dehydration.
Act violently towards others or objects.
Mongolia and Taiwan (RoC) are both multi-party democracies, while China is an authoritarian one-party state.
