Final answer:
Edgard's parents emigrating to join family and friends in a new town is an example of chain migration.
Step-by-step explanation:
Edgard's parents emigrating from the Caribbean to a small town in North America to join family and friends who previously relocated there is an example of chain migration.
Chain migration refers to the process by which immigrants follow family and social networks when choosing their destination. In this case, Edgard's parents are being influenced by the presence of their family and friends in the new town, which is a common factor in migration decisions.