First of all he was well educated. He knew not only how to win battles, but how to use his victories to his advantage. When he saw things of value, he did not hesitate to incorporate them into his culture or his thinking.
Crops include eggplant, legumes, locust bean, marama, marula, moringa, potatoes, butterfruit and grains etc. For the livestock, African production grew cattles, camels, cows, pig, chicken, sheep and other animals that contribute to the growth and balance of agricultural and ecological development.
It is hard to say without looking at your source (textbook or article if you have one associated with this question) but in the most recent studies, it has been Islam.
