Final answer:
The lanzón stela's importance to the complex of chavín de huántar is made evident by its presence of kivas.
Step-by-step explanation:
The lanzón stela's importance to the complex of chavín de huántar is made evident by its presence of kivas, the ceremonial chambers used for religious rituals. The presence of kivas suggests that the complex had a strong religious significance and served as a center for spiritual practices and gatherings.