There were many factors that allowed the Byzantine Empire to last a 1000 years after the end of the Roman Empire which include the fact that Constantinople, the capital of the Byzantine Empire, was protected with walls that lasted almost the entire 1000 years, making Constantinople, and the center of the empire's economy/culture impervious to invaders.
The statement that best describes the outcome of the Persian Wars is “The Greeks were able to stop a Persian invasion, and the Persian Empire stopped trying to conquer Greece.” The problem that led to the start of the Persian Wars was that Persia wanted to punish Athens for the Lomian revolt.
The incorrect statement about china is "Macau, a port city, was a colony of theunited kingdom.
For me, both B and D make sense. Do you have any text I can read?
