Six factors for the rise of mwanamutapa empire​

Mark Brainliest please

The following reasons can be used to account for the rise and expansion of the Mutapa state:
1. Scarcity of reasons such as salt, pastures etc at Great Zimbabwe
2. The Rise of militaristic and ambitious leaders such as Mutota.
3. The Abundance of salt in the Dande-Chidinma area.
4. The leadership disputes at Great Zimbabwe.
5. Population pressure at Great Zimbabwe.
6. The need to control the trade with the East Coast.
7. Availability of hunting grounds in the Mutapa state. 8. The eventual fall of the Great Zimbabwe State.