Answer:
The correct answer is - B. spiritual retreat and access to trade.
Step-by-step explanation:
In Chavin culture around 900 BC to 1000 BC, there was Chavin de Huantar region which is known for their religious and spiritual center where people used to travel for their religious events, spiritual ceremonies, and retreats.
It has many temples that are known for their engineering and artwork with many buildings and structures designated as the Major Plaza, the Circular Plaza and other temples. It was also used for trade and economical benefits. This city was a prominent site for the Chavin.