Answer:
"strength of weak ties"
Step-by-step explanation:
In this scenario, the principle being demonstrated is known as the "strength of weak ties". This is a principle that has been discussed by sociologist Mark Granovetter in 1973. He states that these weak ties are bridges that allow us to disseminate and get access to information and opportunities that you might not otherwise have access to. Such as these job opportunities that the individual's were able to acquire from these casual acquaintances.