According to the graph, which of these is true about enslaved african populations in the nineteenth century? a) sierra leone had more slaves than igbo did. b) madagascar had the largest population of slaves. c) less than half all african populations were enslaved. d) over one-third of all african populations were enslaved.

It is clear from the graph that Sierra Leone had more slaves than Igbo did.

Explanation:

Igbo is a small region in southeastern Nigeria and is named after the group of people that inhabit the region. The population of the Igbo community is very small since the beginning. Sierra Leone has been a hub of diamond mines for a long time and had been constantly seeking slaves until slavery in the region was not abolished by the government.