Why did mansa musa take slaves with him on his pilgrimage?

Mansa Musa took slaves with him on his pilgrimage to cover his expenses and cater to his needs during the journey. Slaves were valuable assets that could be traded for goods, services, and provisions along the way, ensuring a comfortable and secure passage for the entourage. Additionally, having slaves accompanying him showcased his wealth and power to the people he encountered on his journey.