Diamonds, gold oil,Natural Gas, uranium Platinum, copper Cobalt, iron, bauxite, silver, and more
The people who owned the crops were only women
The Songhay Empire was located in West Africa.
I believe that the system that is being spoken of is imperialism.
Imperialism is a nations desire to claim territory through economic control through both diplomatic and violent tactics. Although militarism has a very similar definition, it only relies on military control and not any diplomatic influence.
I hope this is what you’re looking for :)