Answer: The 2nd choice
Explanation:
Overlapping claims by the French, the British, and the Spanish created fierce competition between the three European nations.
An Incan citade in the Andes mountains in Peru. (Above the Urubamba River Valley) The original use of it is not known, but we do know it was built in the 15th century.
If possible I'd say all of them except the fourth one down (parts of ecosystems are independant) but if not I'd say the most valid one is the second one down (healthy ecosystems help animals)
1. The translation of the Bible
2. The development of the printing press
3. Gaining support of European princes and Nobles