D.
the deliberate modification of Earth’s surface through cultivation of plants and rearing of animals
The west African Kingdom of Mali grew in wealth and power by controlling the trading of gold and salt.
The correct answer to this open question is the following.
Although there are no options attached we can say the following.
What did Aquinas believe?
Answer: In simple terms, Thomas Aquinas believed that science and faith could coexist.
St. Thomas Aquinas (1225-1274) was an Italian priest of the Dominican religious congression that founding the influential Thomistic school that developed theological concepts in the Middle Ages such as the idea that God could be demonstrated by observing the cause and effect of things, by observing the movement of the world, and God granted intelligent to al natural beings.
Written between 1265 and 1274, "Summa Theologica" has been one of the most important books for the Catholic Church that still today is part of the curriculum of religious studies for priests. In Summa Theologica, St. Thomas Aquinas sought to reconcile faith and reason.
Remarkable that the English-speaking world remembers Magna Carta. The product of a struggle between King John and his barons, it was sealed on the bank of the Thames 800 years ago, on June 15, 1215. But in a sense, the most valuable thing about Magna Carta is precisely that it is remembered. Other charters were issued across medieval Europe, but they were rapidly forgotten.
I would say it would either be racism or discrimination.
Hope it helps.