Answer:
C. The Age of Discovery saw an increase in ocean travel, which allowed churches to send representatives to distant lands to spread Christianity.
Explanation:
The Age of Discovery is also known as Age of Exploration and it refers to an early period between the 15th century and 17th century in Europe. It was a period that was typically characterized by sea-faring by European countries such as Portugal and Spain to explore various geographical regions around the world.
The Age of Discovery is notably and famously known for exploration through sea-faring (ocean travel) and it led to the discovery of the New World (America), as well as other unknown geographical locations.
Some prominent examples include the Columbian Exchange, the transatlantic exploration (voyage) by Christopher Columbus, Portuguese discoveries (Azores and Archipelagos of Madeira), etc., across the Atlantic, Pacific, and Indian Oceans.
Hence, the relationship between the Age of Discovery and Christianity was that the Age of Discovery saw an increase in ocean travel, which allowed churches to send representatives to distant lands to spread Christianity.