He thought he was in India
C is the answer to the question
Everything from California to Alaska and between the Rocky Mountains and the Pacific Ocean was a British-held territory called Oregon. The trail pointed the way for the United States to expand westward to achieve what politicians of the day called its “Manifest Destiny” to reach “from sea to shining sea.”
Answer:
He appears in countless ancient paintings and sculptures
Explanation:
We know about Quetzalcoatl today because "He appears in countless ancient paintings and sculptures."
This is true because Quetzalcoatl is now being used as a symbol that can be seen on badges, clothes, paintings, and statues or generally artwork representing the history of central America.
Hence, in this case, the correct answer is "He appears in countless ancient paintings and sculpture."