Islam was introduced into west africa by

missionaries.
prophets.
traders.
nomads.

The correct answer is: traders. The expansion of Islam in this region was peaceful, slow and progressive, there was no need to use violence and the main tool for its dissemination was the commercial networks. With the introduction of Islam literacy was increased because people needed to know how to read to be devout practitioners.

b) they want the land taken away from the wealthy landowners and given to peasants.