Answer:
1. The continuation of the Bantu migrations due to a desire for resources.
2. The Bantu migration
Step-by-step explanation:
The arrows shown are meant to represent the migration of the Bantu people to Southern and Eastern Africa as they looked for more resources instead of having to share the limited ones in their area of origin in Western Africa.
This is why today, tribes in Southern Africa bear similarities to tribes in Central and Eastern Africa with some words being very similar to the other. Some very similar tribes for instance include the Tiv people of Nigeria and the Zulu people of South Africa.