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.
Answer:
The manor had four main areas: the manor house and accompanying village, farmland, meadowland, and wasteland. The lord of the manor lived in the manor house and the serfs lived in mud brick cottages that were all in the same area. The serfs' cottages were very small and only consisted of one room.
Answer:
The correct answer is Rebuilding Constantinople.
I think it is the United States Office of War. Hope it helps!