Immigration does not fall under the domestic policy. A domestic policy differs from foreign policy, which refers to the ways a government advances its interests in world politics.
Explanation:
The city-states traded with inland kingdoms like Great Zimbabwe to obtain gold, ivory, and iron. These materials were then sold to places like India, Southeast Asia, and China. These were Africa's exports in the Indian Ocean Trade. ... The city-states along the eastern coast of Africa made ideal centers of trade.
