Which was the main cause of the development of Swahili culture? The spread of Christianity the gold salt trade with west Africa trade with the interior of East Africa trade across the Indian ocean

The main cause of the development of Swahili culture was trade across the Indian Ocean. This brought a diverse range of influences to the Swahili coast, including Arabic, Persian, Indian, and African, contributing to the unique cultural synthesis that became Swahili culture. The trade networks connecting the Swahili coast to distant regions played a crucial role in shaping the development of Swahili culture.