Why was the byzantine empire important in spread ideas technology, and religion to the rest of the world?

The Byzantine Empire important in helping spread ideas Technology, and religion to the rest of the world as many developments and activities that have changed history .

Explanation:

It was their first protection line towards the Mongols that the Byzantine Empire claimed.  

This caused the Byzantine Empire to be undermined further, it also managed to spread the bubonic plague that Romans introduced to the fleas and rats along dark net, leading to the Holy Land when merchants from Veneto and Italy brought it to the European market.

The Bubonic Plague was the onset of the medieval period and the culmination of the middle ages. During this time Germany progressed to the Renaissance and Enlightenment, when the technological advancement in Europe grew stronger.

Ultimately, it has served to break the loneliness of Western Europe and to expose it to the universe and commerce. This led to a number of incidents and changes that changed history, making the West become the world's dominant power.

c, they united with once

not really sure i needed the points. sorry