The prevalence of languages in the niger-congo family in subsaharan africa and of afro asiatic languages of north africa reflects the relative lack of spatial interaction historically, between people in the two regions. what can you infer is the reason for this? o current political boundaries have an impact on the diffusion of language the diffusion of the niger-congo language throughout north africa was impeded by physical geography physical geography had no effect on the reason for these two languages not diffusing north and south o the people in these two regions were separated by the expanse of the sahara

the people in these two regions were separated by the expanse of the Sahara

Explanation:

North Africa has a long history of cooperation with the Europeans and has developed likewise, though Sub Saharan Africa had for some time been isolated and segregated. As indicated by an autonomous research, the greater part of the individuals from north Africa has just 5% of qualities gotten from the African lineage. Because of the blend with the Europeans, North Africa has a blended culture of Islam, Arabic causes, though the Sub-saharan Africa is set apart by the local religions of Africa. Solid hereditary contrasts win in the middle of these two territories.

There are numerous explanations behind this distinction in culture and legacy of these two districts. Sub-saharan Africa was colonized at the nineteenth and twentieth century all the more mercilessly, though numerous North African state stayed as solid brought together states. This autonomy of the North African states helped them to build up their own way of life and economy freely. On the other hand,Sub-saharan Africa being isolated from the advanced improvements, held their old culture and legacy, that eventually caused the etymological distinction between the locales.

The subsequent significant reason for contrast between these two locales is the nearness of Sahara. These two districts are isolated from one another since 3500 BCE by the unforgiving zones of Sahara.Due to the nearness of the immense desert,people from these locales had a restricted level of collaboration. In this way, their semantic grew autonomously.

the rub-al-khali is also known as the arabian desert and the "empty quarter"