Its one of the answers in front of you and I think its C
Answer:
Great centers of religious learning were also centers of knowledge and scientific development.
from the second half of the eighth century to the end of the eleventh century, Islamic scientific developments were the basis of knowledge in the world. At a period of history when the scientific and philosophical heritage of the ancient world was about to be lost, Islamic scholars stepped in to preserve that heritage from destruction. Indeed, without the cultivation of science in these early centuries by Islamic scholars, it is probable that texts which later exercised a formative influence over Western culture would never have survived intact. It is certain, moreover, that the modern world would look much different than it does today.
Explanation:
I believe that Mexico would not end up owning California because USA's ambition for manifest destiny was way to strong. The USA would have found a way to take back California because they were so determined to own land from coast to coast. Thomas even went against his own morals to purchase the Louisiana Territory. That's how strongly the states wanted that land.
