Initially word pharaoh meant as much as the "Great House", however later it evolved in a way it also meant a "God-King". So I assume the correct answer is C - Egyptians referred to the king's palace as it was disrespectful to speak directly.
This is known as social infrastructure. These are called social because they are used by all people in a country and are often paid for by the country or the state owns the land on which they are built. When they are private, they often work together with the government.
<span>Slavery is often considered the "cause without which" the Civil War would not</span>
