<span>This was confirmed by the treaty of tortesillas. The treaty was signed in 1494. It had the goal of resolving conflicts between explorers, like Christopher Columbus, and other merchants, over the lands they discovered. The pope got to decide what country got what territory, which showed that the papacy was relevant in the colonization of the new world.</span>
The only correct answer can be statement C.
The British and the America colonists work together to defeat the French in the French and Indian War, showing that statement A cannot be correct.
One result of the French and Indian War was France giving up a large amount of territory to the British. This included a significant part of modern day Canada. This shows that statement B is wrong.
Statement D is also incorrect because the French lost land.
This shows how only statement C. can be correct.