As a region, what is the unifying theme of Sub-Saharan Africa?

1) As a region, what is the unifying theme of Sub-Saharan Africa? similar livelihood systems & shared colonial experiences? A zone of ecological transition between Sahara to the north and wetter savannas and forest in the south. Her contribution to sustainable development, democracy, and peace.

Explanation:

there's multiple reasons why the conquistadors were so successful in colonizing central america, and some of them are:

- they were seen as gods;

at the beginning, the spanish settlers were seen by the natives as gods, and this was mainly due to their white skin, and the way they came with their boats.

- possessed superior weaponry;

the spanish had gunpowder and guns, as well as cannons, while the natives did not had any fire weapons.

- made cleaver alliances;

they used the situation of tribes hating each other, so they made alliances with some of them which served them very well.

- brought diseases;

the native people were not immune to certain diseases the europeans brought with them, so they were dying from seeming harmless things for european standards.