Based on the dictionary definitions of "conduce," which definition is the most precise for conducing as it is used in paragraph 2?

Based on the dictionary definitions of "conduce," the most precise definition for ‘conducing’ as it is used in paragraph 2 is:

C. Definition 2 (to contribute).

"the day we found the sharks' teeth" i would say highlight the element of the plot as it sets its boundaries and centers the adventures of them being on a boat and cleaning spit of sand.