How did interactions with other cultures shape African societies?

Colonial currents, trade and, missionary work.

Explanation:

Africa has long been an area of interest for European powers. Colonization reached its peak in that part of the world. In such conditions, there was cultural assimilation of certain indigenous communities in Africa. Even before colonization itself, Catholic missionaries spread Catholicism throughout the continent. Many have accepted Catholicism and thus cultural patterns imposed from Europe. And Islamic traders also spread Islam in that part of the world. A conglomeration of different cultural and religious patterns brought from other parts of the world has emerged on the African continent.

the language dates from the contacts of arabian traders with the inhabitants of the east coast of africa over many centuries. under arab influence, swahili originated as a lingua franca used by several closely related bantu-speaking tribal groups.

health care plans in the united states having high costs because they are focusing on providing quality programs for different groups of individuals. the quality of the service is based on money flow received from the members. without this investment, couldn't be possible a constant scientific searching to prevent death and illness caused because of low levels of health investigation. currently, the complaints are not about the highest cost, but about the coverage and benefits to access the necessary health services required by the members.  

besides, if a global health system is established the quality levels will fall down because of the standardized of the health. the access to care will increase but the quality will be low because it depends on the money invested.