This would probably be the concept of democracy (although other candidates would be found in the field of literature): it still has an enormous effect on today's world, in my opinion, making the world a better place (for example: true democracies are more often respecting human rights)
Your answer would be B. <span>Research any and all data pertaining to the Roswell area, and unidentified flying objects reported in the sky. hope it helps :)</span>
Mali cuz' it was RICH! it was the richest empire in ancient history. being rich meant it got lots of smart ppl n u could get a good education. emperor was so rich dat he literally handed out gold to common people...imagine that!