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A lingua franca is a widely known language, generally used when speakers of two other languages want to communicate.
For example a speaker of Arabic may talk to a speaker of Japanese by both of them...
In most of North Africa, it is Arabic and/or French. In East Africa, is it mostly Swahili and Arabic.In the rest of Africa, the most common lingua francas are French, Portuguese, and English.
There is no one lingua franca for all of Africa, but the largest one is Swahili, which is found in East Africa.In North Africa, Arabic is the most common language, and in the South, English is the...