They used the Koran and Muhammad's actions as guides to leadership.
Yes he believed it was a benefit to state
“Heritage Day reflects the values of a constitutional democracy where all South Africans' cultural and linguistic rights are recognised and protected by the Constitution.”
Answer 'A' correctly describes the Great Wall = It was built to protect Qin's empire from foreign invasion.
Apart from defense, the Great Wall included border controls, and regulation of goods. After Qin dynasty, other dynasties had used it, to maintain their territories.