The answer is D. Principalities were small territories that were run by Russian rulers.
This due because they population was very small, and it still hasn't reached by the mongol Empire But they were very close with Russian Territories
The answer is B: The opportunity to expand Spain's territory and spread Christianity.
Spain was eager for new resources of wealth and to spread Christianity on their new lands.
Answer:
C) The Death of Moctezuma
Explanation:
The question is asking to determine what continent is not yet touched by the European explorers, and i would say that the answer would be that they explored every continent and the last one of them is Antartica. I hope you are satisfied with my answer and feel free to ask for more