It should be letter B because 'brightens many' describes the murals.
D. by describing the different sports.
because he is explaining the different sports to let people know what they are like and the benefits of it.
Answer:
Civilization vs. Savagery.
Loss of Innocence.
Struggle to Build Civilization.
Man's Inherent Evil.
Dangers of Mob Mentality.
War and the Future of Mankind.
Explanation:
i think