The BEST explanation for why the Byzantine Empire could not expand Christianity to the east and south

Byzantine Empire. Eastern Roman Empire or Byzantium rose to existence by the foundation of the city Constantinople in 324 AD, and the final division to Eastern and Western Roman Empire did not happen until 395 AD. It lasted until the year 1453 when the Turks conquered Constantinople.

Explanation:

for this case we have the following equation:

we apply distributive property to the terms within parentheses.

subtracting 2 on both sides of the equation:

according to worldatlas.com, the u.s. has an 86% literacy rate.