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.
The machine gun allowed soldiers to rapid-fire bullets at the enemy at a rate of 400 to 600 rounds per minute. This allowed defenders the ability to dominate the battlefield and cause the death of advancing enemy soldiers.
Answes: The first was Christianity and the Catholic Church (as well as the official language of the Church, Latin). The second was feudalism. The expansion of Catholic Christianity and the feudal system had a profound impact on western Europe in the medieval era.