What religion was brought to ethiopia and other east african kingdoms by byzantine missionaries in the 1000s ce?

The religion is CHRISTIANITY.
Christianity religion was brought to Ethiopia and other East African Kingdoms by Zantine missionaries in the 1000 CE. Before this time, the people of Ethiopia worshiped different kind of idols and ancestor spirits. The spread of Christianity religion through this region was aided by trading activities of the people.

Several different things make up a culture like, how the people worship, their form of government, geography, and trade. religion is one of the most important things to a culture, it defines peoples life. their different beliefs form into festivities and events that merge with their culture. people that practice hinduism see cows as gods, so no doubt they would celebrate cows, and these celebrations would definitely merge with their culture. those that are buddhist live life trying to reach a certain level of peace, so no doubt would they change things in their life in order to correspond with their religion.