What are some accomplishments of the swahill of africa?

The Swahili Coast, an 1,800-mile stretch of Kenyan and Tanzanian coastline, has been the site of cultural and commercial exchanges between East Africa and the outside world - particularly the Middle East, Asia, and Europe - since at least the 2nd century A.D.

It developed as a reaction to the impact of european colonialism in africa on peoples of african descent. in the  mid-20th century, activists in africa adopted pan-africanism as a rallying cry for independence from colonial rule. some african pan-africanists sought to unite the continent as one independenthope it was useful