What role did the Bantu have in the development of Swahili culture?

The Bantu played a significant role in the development of Swahili culture by contributing their agricultural techniques, language, and social organization. They influenced the ethnic composition and linguistic diversity of the Swahili people through interaction and intermarriage with local communities along the East African coast. The integration of Bantu elements enriched Swahili cultural practices, such as music, dance, and cuisine.